16204023655 has 8 divisors (see below), whose sum is σ = 19511194752. Its totient is φ = 12918974688.

The previous prime is 16204023643. The next prime is 16204023677. The reversal of 16204023655 is 55632040261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16204023655 is a prime.

It is a super-2 number, since 2×16204023655² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16204023655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5528919 + ... + 5531848.

It is an arithmetic number, because the mean of its divisors is an integer number (2438899344).

Almost surely, 2^16204023655 is an apocalyptic number.

16204023655 is a deficient number, since it is larger than the sum of its proper divisors (3307171097).

16204023655 is a wasteful number, since it uses less digits than its factorization.

16204023655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11061065.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 16204023655 in words is "sixteen billion, two hundred four million, twenty-three thousand, six hundred fifty-five".