2372566681 has 9 divisors (see below), whose sum is σ = 2411824149. Its totient is φ = 2333940444.

The previous prime is 2372566663. The next prime is 2372566687. The reversal of 2372566681 is 1866652732.

The square root of 2372566681 is 48709.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2372566681 - 2¹⁵ = 2372533913 is a prime.

It is a super-2 number, since 2×2372566681² = 11258145311582711522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2372566687) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3263140 + ... + 3263866.

It is an arithmetic number, because the mean of its divisors is an integer number (267980461).

Almost surely, 2^2372566681 is an apocalyptic number.

2372566681 is the 48709-th square number.

2372566681 is the 24355-th centered octagonal number.

It is an amenable number.

2372566681 is a deficient number, since it is larger than the sum of its proper divisors (39257468).

2372566681 is an frugal number, since it uses more digits than its factorization.

2372566681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 794 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The cubic root of 2372566681 is about 1333.7450144523.

The spelling of 2372566681 in words is "two billion, three hundred seventy-two million, five hundred sixty-six thousand, six hundred eighty-one".