551668670 has 32 divisors (see below), whose sum is σ = 1136678400. Its totient is φ = 188840736.

The previous prime is 551668669. The next prime is 551668681. The reversal of 551668670 is 76866155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40151 + ... + 52109.

It is an arithmetic number, because the mean of its divisors is an integer number (35521200).

Almost surely, 2^551668670 is an apocalyptic number.

551668670 is an abundant number, since it is smaller than the sum of its proper divisors (585009730).

551668670 is a wasteful number, since it uses less digits than its factorization.

551668670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12632.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 551668670 is about 23487.6280198746. The cubic root of 551668670 is about 820.1490260575.

It can be divided in two parts, 55166 and 8670, that added together give a palindrome (63836).

The spelling of 551668670 in words is "five hundred fifty-one million, six hundred sixty-eight thousand, six hundred seventy".