551660481374 has 8 divisors (see below), whose sum is σ = 827525392248. Its totient is φ = 275818683960.

The previous prime is 551660481371. The next prime is 551660481391. The reversal of 551660481374 is 473184066155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551660481371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5718572 + ... + 5814239.

It is an arithmetic number, because the mean of its divisors is an integer number (103440674031).

Almost surely, 2^551660481374 is an apocalyptic number.

551660481374 is a deficient number, since it is larger than the sum of its proper divisors (275864910874).

551660481374 is a wasteful number, since it uses less digits than its factorization.

551660481374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11556730.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 551660481374 in words is "five hundred fifty-one billion, six hundred sixty million, four hundred eighty-one thousand, three hundred seventy-four".