1625116100 has 36 divisors (see below), whose sum is σ = 3640267008. Its totient is φ = 629076000.

The previous prime is 1625116099. The next prime is 1625116117. The reversal of 1625116100 is 16115261.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259016 + ... + 265215.

It is an arithmetic number, because the mean of its divisors is an integer number (101118528).

Almost surely, 2^1625116100 is an apocalyptic number.

1625116100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1625116100 is an abundant number, since it is smaller than the sum of its proper divisors (2015150908).

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

1625116100 is a wasteful number, since it uses less digits than its factorization.

1625116100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524276 (or 524269 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1625116100 is about 40312.7287590409. The cubic root of 1625116100 is about 1175.6953421636.

The spelling of 1625116100 in words is "one billion, six hundred twenty-five million, one hundred sixteen thousand, one hundred".