6940566582 has 64 divisors (see below), whose sum is σ = 14861905920. Its totient is φ = 2154376224.

The previous prime is 6940566527. The next prime is 6940566583. The reversal of 6940566582 is 2856650496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940566583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5674423 + ... + 5675645.

It is an arithmetic number, because the mean of its divisors is an integer number (232217280).

Almost surely, 2^6940566582 is an apocalyptic number.

6940566582 is an abundant number, since it is smaller than the sum of its proper divisors (7921339338).

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

6940566582 is a wasteful number, since it uses less digits than its factorization.

6940566582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The square root of 6940566582 is about 83310.0629095909. The cubic root of 6940566582 is about 1907.5018812503.

The spelling of 6940566582 in words is "six billion, nine hundred forty million, five hundred sixty-six thousand, five hundred eighty-two".