2137240566 has 40 divisors (see below), whose sum is σ = 4794231024. Its totient is φ = 711635760.

The previous prime is 2137240559. The next prime is 2137240597. The reversal of 2137240566 is 6650427312.

2137240566 is a `hidden beast` number, since 21 + 3 + 72 + 4 + 0 + 566 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2137240566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 152536 + ... + 165956.

Almost surely, 2^2137240566 is an apocalyptic number.

2137240566 is an abundant number, since it is smaller than the sum of its proper divisors (2656990458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2137240566 is a wasteful number, since it uses less digits than its factorization.

2137240566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14418 (or 14409 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2137240566 is about 46230.2992203165. The cubic root of 2137240566 is about 1288.1046150865.

Adding to 2137240566 its reverse (6650427312), we get a palindrome (8787667878).

The spelling of 2137240566 in words is "two billion, one hundred thirty-seven million, two hundred forty thousand, five hundred sixty-six".