670818112567 has 4 divisors (see below), whose sum is σ = 670819986936. Its totient is φ = 670816238200.

The previous prime is 670818112513. The next prime is 670818112597. The reversal of 670818112567 is 765211818076.

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 670818112567 - 2³⁵ = 636458374199 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 (670818112597) 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, 214684 + ... + 1178017.

It is an arithmetic number, because the mean of its divisors is an integer number (167704996734).

Almost surely, 2^670818112567 is an apocalyptic number.

670818112567 is a deficient number, since it is larger than the sum of its proper divisors (1874369).

670818112567 is a wasteful number, since it uses less digits than its factorization.

670818112567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874368.

The product of its (nonzero) digits is 1128960, while the sum is 52.

The spelling of 670818112567 in words is "six hundred seventy billion, eight hundred eighteen million, one hundred twelve thousand, five hundred sixty-seven".