6692540836 has 12 divisors (see below), whose sum is σ = 11725523712. Its totient is φ = 3342391208.

The previous prime is 6692540731. The next prime is 6692540863. The reversal of 6692540836 is 6380452966.

It is a self number, because there is not a number n which added to its sum of digits gives 6692540836.

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, 965920 + ... + 972823.

It is an arithmetic number, because the mean of its divisors is an integer number (977126976).

Almost surely, 2^6692540836 is an apocalyptic number.

It is an amenable number.

6692540836 is a deficient number, since it is larger than the sum of its proper divisors (5032982876).

6692540836 is a wasteful number, since it uses less digits than its factorization.

6692540836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939610 (or 1939608 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The square root of 6692540836 is about 81807.9509338793. The cubic root of 6692540836 is about 1884.5037671031.

The spelling of 6692540836 in words is "six billion, six hundred ninety-two million, five hundred forty thousand, eight hundred thirty-six".