1626716670045 has 48 divisors (see below), whose sum is σ = 2803797618048. Its totient is φ = 805047147520.

The previous prime is 1626716670041. The next prime is 1626716670067. The reversal of 1626716670045 is 5400766176261.

It is not a de Polignac number, because 1626716670045 - 2² = 1626716670041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 1626716670045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1626716670041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2334834 + ... + 2950403.

It is an arithmetic number, because the mean of its divisors is an integer number (58412450376).

Almost surely, 2^{1626716670045} is an apocalyptic number.

1626716670045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1626716670045 is a deficient number, since it is larger than the sum of its proper divisors (1177080948003).

1626716670045 is a wasteful number, since it uses less digits than its factorization.

1626716670045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5285350 (or 5285333 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 1626716670045 in words is "one trillion, six hundred twenty-six billion, seven hundred sixteen million, six hundred seventy thousand, forty-five".