16555565151 has 12 divisors (see below), whose sum is σ = 23915003112. Its totient is φ = 11036393136.

The previous prime is 16555565101. The next prime is 16555565161. The reversal of 16555565151 is 15156555561.

It is not a de Polignac number, because 16555565151 - 2⁶ = 16555565087 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16555565097 and 16555565106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16555565101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145945 + ... + 233261.

It is an arithmetic number, because the mean of its divisors is an integer number (1992916926).

Almost surely, 2^16555565151 is an apocalyptic number.

16555565151 is a deficient number, since it is larger than the sum of its proper divisors (7359437961).

16555565151 is a wasteful number, since it uses less digits than its factorization.

16555565151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108390 (or 108387 counting only the distinct ones).

The product of its digits is 562500, while the sum is 45.

The spelling of 16555565151 in words is "sixteen billion, five hundred fifty-five million, five hundred sixty-five thousand, one hundred fifty-one".