16056665601 has 16 divisors (see below), whose sum is σ = 21869266944. Its totient is φ = 10474355664.

The previous prime is 16056665591. The next prime is 16056665627. The reversal of 16056665601 is 10656665061.

It is not a de Polignac number, because 16056665601 - 2²¹ = 16054568449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16056665201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811836 + ... + 831378.

It is an arithmetic number, because the mean of its divisors is an integer number (1366829184).

Almost surely, 2^16056665601 is an apocalyptic number.

It is an amenable number.

16056665601 is a deficient number, since it is larger than the sum of its proper divisors (5812601343).

16056665601 is a wasteful number, since it uses less digits than its factorization.

16056665601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25420.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 16056665601 in words is "sixteen billion, fifty-six million, six hundred sixty-five thousand, six hundred one".