551687167 has 4 divisors (see below), whose sum is σ = 555201256. Its totient is φ = 548173080.

The previous prime is 551687137. The next prime is 551687189. The reversal of 551687167 is 761786155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551687167 - 2¹¹ = 551685119 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 (551687137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756809 + ... + 1757122.

It is an arithmetic number, because the mean of its divisors is an integer number (138800314).

Almost surely, 2^551687167 is an apocalyptic number.

551687167 is a deficient number, since it is larger than the sum of its proper divisors (3514089).

551687167 is a wasteful number, since it uses less digits than its factorization.

551687167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514088.

The product of its digits is 352800, while the sum is 46.

The square root of 551687167 is about 23488.0217770676. The cubic root of 551687167 is about 820.1581922641.

The spelling of 551687167 in words is "five hundred fifty-one million, six hundred eighty-seven thousand, one hundred sixty-seven".