551670551157 has 16 divisors (see below), whose sum is σ = 802493582400. Its totient is φ = 334319251200.

The previous prime is 551670551087. The next prime is 551670551183. The reversal of 551670551157 is 751155076155.

It is a happy number.

It is not a de Polignac number, because 551670551157 - 2⁸ = 551670550901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551670551357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237282 + ... + 1076867.

It is an arithmetic number, because the mean of its divisors is an integer number (50155848900).

Almost surely, 2^551670551157 is an apocalyptic number.

It is an amenable number.

551670551157 is a deficient number, since it is larger than the sum of its proper divisors (250823031243).

551670551157 is a wasteful number, since it uses less digits than its factorization.

551670551157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326884.

The product of its (nonzero) digits is 918750, while the sum is 48.

The spelling of 551670551157 in words is "five hundred fifty-one billion, six hundred seventy million, five hundred fifty-one thousand, one hundred fifty-seven".