16557468051 has 16 divisors (see below), whose sum is σ = 22384327680. Its totient is φ = 10885358400.

The previous prime is 16557468041. The next prime is 16557468077. The reversal of 16557468051 is 15086475561.

It is not a de Polignac number, because 16557468051 - 2⁶ = 16557467987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16557468041) 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, 38250 + ... + 185951.

It is an arithmetic number, because the mean of its divisors is an integer number (1399020480).

Almost surely, 2^16557468051 is an apocalyptic number.

16557468051 is a deficient number, since it is larger than the sum of its proper divisors (5826859629).

16557468051 is a wasteful number, since it uses less digits than its factorization.

16557468051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224546.

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 16557468051 in words is "sixteen billion, five hundred fifty-seven million, four hundred sixty-eight thousand, fifty-one".