16433257125256 has 16 divisors (see below), whose sum is σ = 31334600451600. Its totient is φ = 8077363671504.

The previous prime is 16433257125239. The next prime is 16433257125317. The reversal of 16433257125256 is 65252175233461.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17408110890 + ... + 17408111833.

It is an arithmetic number, because the mean of its divisors is an integer number (1958412528225).

Almost surely, 2^{16433257125256} is an apocalyptic number.

It is an amenable number.

16433257125256 is a deficient number, since it is larger than the sum of its proper divisors (14901343326344).

16433257125256 is a wasteful number, since it uses less digits than its factorization.

16433257125256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34816222788 (or 34816222784 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 52.

The spelling of 16433257125256 in words is "sixteen trillion, four hundred thirty-three billion, two hundred fifty-seven million, one hundred twenty-five thousand, two hundred fifty-six".