16064420555 has 16 divisors (see below), whose sum is σ = 20423391840. Its totient is φ = 12088376832.

The previous prime is 16064420549. The next prime is 16064420591. The reversal of 16064420555 is 55502446061.

It is a cyclic number.

It is not a de Polignac number, because 16064420555 - 2⁴ = 16064420539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89972 + ... + 200558.

It is an arithmetic number, because the mean of its divisors is an integer number (1276461990).

Almost surely, 2^16064420555 is an apocalyptic number.

16064420555 is a deficient number, since it is larger than the sum of its proper divisors (4358971285).

16064420555 is a wasteful number, since it uses less digits than its factorization.

16064420555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112318.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 16064420555 in words is "sixteen billion, sixty-four million, four hundred twenty thousand, five hundred fifty-five".