206993703164 has 12 divisors (see below), whose sum is σ = 362259123744. Its totient is φ = 103491096384.

The previous prime is 206993703073. The next prime is 206993703173. The reversal of 206993703164 is 461307399602.

It is a super-2 number, since 2×206993703164² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1357364 + ... + 1502139.

It is an arithmetic number, because the mean of its divisors is an integer number (30188260312).

Almost surely, 2^206993703164 is an apocalyptic number.

It is an amenable number.

206993703164 is a deficient number, since it is larger than the sum of its proper divisors (155265420580).

206993703164 is a wasteful number, since it uses less digits than its factorization.

206993703164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877604 (or 2877602 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 50.

The spelling of 206993703164 in words is "two hundred six billion, nine hundred ninety-three million, seven hundred three thousand, one hundred sixty-four".