670166031 has 4 divisors (see below), whose sum is σ = 893554712. Its totient is φ = 446777352.

The previous prime is 670166011. The next prime is 670166039. The reversal of 670166031 is 130661076.

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

It is not a de Polignac number, because 670166031 - 2⁹ = 670165519 is a prime.

It is a super-2 number, since 2×670166031² = 898245018212585922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670166031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670166039) 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, 111694336 + ... + 111694341.

It is an arithmetic number, because the mean of its divisors is an integer number (223388678).

Almost surely, 2^670166031 is an apocalyptic number.

670166031 is a deficient number, since it is larger than the sum of its proper divisors (223388681).

670166031 is a wasteful number, since it uses less digits than its factorization.

670166031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223388680.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 670166031 is about 25887.5651809899. The cubic root of 670166031 is about 875.1062862998.

The spelling of 670166031 in words is "six hundred seventy million, one hundred sixty-six thousand, thirty-one".