1626165120 has 64 divisors (see below), whose sum is σ = 5183407440. Its totient is φ = 433643520.

The previous prime is 1626165119. The next prime is 1626165127. The reversal of 1626165120 is 215616261.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1626165120² = 5288825995009228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1626165127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421561 + ... + 425400.

Almost surely, 2^1626165120 is an apocalyptic number.

1626165120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1626165120 is an abundant number, since it is smaller than the sum of its proper divisors (3557242320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1626165120 is an equidigital number, since it uses as much as digits as its factorization.

1626165120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846983 (or 846971 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1626165120 is about 40325.7376869909. The cubic root of 1626165120 is about 1175.9482600218.

The spelling of 1626165120 in words is "one billion, six hundred twenty-six million, one hundred sixty-five thousand, one hundred twenty".