16954052557 has 32 divisors (see below), whose sum is σ = 19079141760. Its totient is φ = 14963220480.

The previous prime is 16954052509. The next prime is 16954052561. The reversal of 16954052557 is 75525045961.

It is not a de Polignac number, because 16954052557 - 2⁷ = 16954052429 is a prime.

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 16954052557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16954058557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13930413 + ... + 13931629.

It is an arithmetic number, because the mean of its divisors is an integer number (596223180).

Almost surely, 2^16954052557 is an apocalyptic number.

It is an amenable number.

16954052557 is a deficient number, since it is larger than the sum of its proper divisors (2125089203).

16954052557 is a wasteful number, since it uses less digits than its factorization.

16954052557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773.

The product of its (nonzero) digits is 1890000, while the sum is 49.

The spelling of 16954052557 in words is "sixteen billion, nine hundred fifty-four million, fifty-two thousand, five hundred fifty-seven".