1626116233365 has 24 divisors (see below), whose sum is σ = 3035416970040. Its totient is φ = 800549529984.

The previous prime is 1626116233361. The next prime is 1626116233367. The reversal of 1626116233365 is 5633326116261.

1626116233365 is a `hidden beast` number, since 1 + 6 + 2 + 6 + 11 + 623 + 3 + 3 + 6 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1554409476 + 1624561823889 = 39426^2 + 1274583^2 .

It is not a de Polignac number, because 1626116233365 - 2² = 1626116233361 is a prime.

It is a super-3 number, since 3×1626116233365³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1626116233365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1626116233361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1389842350 + ... + 1389843519.

It is an arithmetic number, because the mean of its divisors is an integer number (126475707085).

Almost surely, 2^{1626116233365} is an apocalyptic number.

1626116233365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1626116233365 is a deficient number, since it is larger than the sum of its proper divisors (1409300736675).

1626116233365 is a wasteful number, since it uses less digits than its factorization.

1626116233365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779685893 (or 2779685890 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The spelling of 1626116233365 in words is "one trillion, six hundred twenty-six billion, one hundred sixteen million, two hundred thirty-three thousand, three hundred sixty-five".