16056506566 has 8 divisors (see below), whose sum is σ = 24219312120. Its totient is φ = 7983402528.

The previous prime is 16056506549. The next prime is 16056506573. The reversal of 16056506566 is 66560565061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16056506566² (a number of 21 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 3 ways as a sum of consecutive naturals, for example, 22424931 + ... + 22425646.

It is an arithmetic number, because the mean of its divisors is an integer number (3027414015).

Almost surely, 2^16056506566 is an apocalyptic number.

16056506566 is a deficient number, since it is larger than the sum of its proper divisors (8162805554).

16056506566 is a wasteful number, since it uses less digits than its factorization.

16056506566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44850758.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 16056506566 in words is "sixteen billion, fifty-six million, five hundred six thousand, five hundred sixty-six".