551245410165 has 16 divisors (see below), whose sum is σ = 882773899200. Its totient is φ = 293737137792.

The previous prime is 551245410139. The next prime is 551245410173. The reversal of 551245410165 is 561014542155.

It is not a de Polignac number, because 551245410165 - 2²¹ = 551243313013 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16258395 + ... + 16292264.

It is an arithmetic number, because the mean of its divisors is an integer number (55173368700).

Almost surely, 2^551245410165 is an apocalyptic number.

It is an amenable number.

551245410165 is a deficient number, since it is larger than the sum of its proper divisors (331528489035).

551245410165 is a wasteful number, since it uses less digits than its factorization.

551245410165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32551796.

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 551245410165 in words is "five hundred fifty-one billion, two hundred forty-five million, four hundred ten thousand, one hundred sixty-five".