206922491162 has 4 divisors (see below), whose sum is σ = 310383736746. Its totient is φ = 103461245580.

The previous prime is 206922491159. The next prime is 206922491203. The reversal of 206922491162 is 261194229602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 206696620321 + 225870841 = 454639^2 + 15029^2 .

It is a super-2 number, since 2×206922491162² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51730622789 + ... + 51730622792.

Almost surely, 2^206922491162 is an apocalyptic number.

206922491162 is a deficient number, since it is larger than the sum of its proper divisors (103461245584).

206922491162 is a wasteful number, since it uses less digits than its factorization.

206922491162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103461245583.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 206922491162 in words is "two hundred six billion, nine hundred twenty-two million, four hundred ninety-one thousand, one hundred sixty-two".