16656355004 has 48 divisors (see below), whose sum is σ = 31171488768. Its totient is φ = 7769391168.

The previous prime is 16656355003. The next prime is 16656355019. The reversal of 16656355004 is 40055365661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16656355003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260359 + ... + 1273505.

It is an arithmetic number, because the mean of its divisors is an integer number (649406016).

Almost surely, 2^16656355004 is an apocalyptic number.

It is an amenable number.

16656355004 is a deficient number, since it is larger than the sum of its proper divisors (14515133764).

16656355004 is a wasteful number, since it uses less digits than its factorization.

16656355004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13514 (or 13512 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 16656355004 in words is "sixteen billion, six hundred fifty-six million, three hundred fifty-five thousand, four".