16572973967 has 12 divisors (see below), whose sum is σ = 18220331808. Its totient is φ = 15063232800.

The previous prime is 16572973961. The next prime is 16572973973. The reversal of 16572973967 is 76937927561.

It is an interprime number because it is at equal distance from previous prime (16572973961) and next prime (16572973973).

It is not a de Polignac number, because 16572973967 - 2¹⁸ = 16572711823 is a prime.

It is a super-2 number, since 2×16572973967² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16572973961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 741242 + ... + 763272.

It is an arithmetic number, because the mean of its divisors is an integer number (1518360984).

Almost surely, 2^16572973967 is an apocalyptic number.

16572973967 is a deficient number, since it is larger than the sum of its proper divisors (1647357841).

16572973967 is a wasteful number, since it uses less digits than its factorization.

16572973967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28270 (or 28259 counting only the distinct ones).

The product of its digits is 30005640, while the sum is 62.

The spelling of 16572973967 in words is "sixteen billion, five hundred seventy-two million, nine hundred seventy-three thousand, nine hundred sixty-seven".