16255420406164 has 24 divisors (see below), whose sum is σ = 28565509768488. Its totient is φ = 8093847336960.

The previous prime is 16255420406083. The next prime is 16255420406177. The reversal of 16255420406164 is 46160402455261.

It can be written as a sum of positive squares in 4 ways, for example, as 2422822997764 + 13832597408400 = 1556542^2 + 3719220^2 .

It is a super-2 number, since 2×16255420406164² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79131474 + ... + 79336630.

It is an arithmetic number, because the mean of its divisors is an integer number (1190229573687).

Almost surely, 2^{16255420406164} is an apocalyptic number.

It is an amenable number.

16255420406164 is a deficient number, since it is larger than the sum of its proper divisors (12310089362324).

16255420406164 is a wasteful number, since it uses less digits than its factorization.

16255420406164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287595 (or 287593 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 16255420406164 in words is "sixteen trillion, two hundred fifty-five billion, four hundred twenty million, four hundred six thousand, one hundred sixty-four".