16625554000 has 80 divisors (see below), whose sum is σ = 43855246656. Its totient is φ = 6045648000.

The previous prime is 16625553991. The next prime is 16625554019. The reversal of 16625554000 is 45552661.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355854 + ... + 399853.

Almost surely, 2^16625554000 is an apocalyptic number.

16625554000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16625554000 is an abundant number, since it is smaller than the sum of its proper divisors (27229692656).

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

16625554000 is a wasteful number, since it uses less digits than its factorization.

16625554000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755741 (or 755725 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 16625554000 in words is "sixteen billion, six hundred twenty-five million, five hundred fifty-four thousand".