1612625656620 has 96 divisors (see below), whose sum is σ = 4926037971456. Its totient is φ = 390923712000.

The previous prime is 1612625656591. The next prime is 1612625656637. The reversal of 1612625656620 is 266565262161.

It is a super-2 number, since 2×1612625656620² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1612625656620.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30866520 + ... + 30918720.

It is an arithmetic number, because the mean of its divisors is an integer number (51312895536).

Almost surely, 2^{1612625656620} is an apocalyptic number.

1612625656620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1612625656620 is an abundant number, since it is smaller than the sum of its proper divisors (3313412314836).

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

1612625656620 is a wasteful number, since it uses less digits than its factorization.

1612625656620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99031 (or 99029 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 1612625656620 in words is "one trillion, six hundred twelve billion, six hundred twenty-five million, six hundred fifty-six thousand, six hundred twenty".