551680613567 has 8 divisors (see below), whose sum is σ = 559551664224. Its totient is φ = 543818043648.

The previous prime is 551680613563. The next prime is 551680613569. The reversal of 551680613567 is 765316086155.

551680613567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 551680613567 - 2² = 551680613563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551680613563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1989098 + ... + 2249415.

It is an arithmetic number, because the mean of its divisors is an integer number (69943958028).

Almost surely, 2^551680613567 is an apocalyptic number.

551680613567 is a deficient number, since it is larger than the sum of its proper divisors (7871050657).

551680613567 is a wasteful number, since it uses less digits than its factorization.

551680613567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240369.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 551680613567 in words is "five hundred fifty-one billion, six hundred eighty million, six hundred thirteen thousand, five hundred sixty-seven".