16256344761954 has 96 divisors (see below), whose sum is σ = 40109505059520. Its totient is φ = 4714451164800.

The previous prime is 16256344761919. The next prime is 16256344761971. The reversal of 16256344761954 is 45916744365261.

16256344761954 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 6 + 3 + 4 + 4 + 7 + 619 + 5 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16256344761891 and 16256344761900.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17741584 + ... + 18635355.

It is an arithmetic number, because the mean of its divisors is an integer number (417807344370).

Almost surely, 2^{16256344761954} is an apocalyptic number.

16256344761954 is an abundant number, since it is smaller than the sum of its proper divisors (23853160297566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16256344761954 is a wasteful number, since it uses less digits than its factorization.

16256344761954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36377056 (or 36377053 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 63.

The spelling of 16256344761954 in words is "sixteen trillion, two hundred fifty-six billion, three hundred forty-four million, seven hundred sixty-one thousand, nine hundred fifty-four".