670856152 has 8 divisors (see below), whose sum is σ = 1257855300. Its totient is φ = 335428072.

The previous prime is 670856149. The next prime is 670856177. The reversal of 670856152 is 251658076.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 41928502 + ... + 41928517.

Almost surely, 2^670856152 is an apocalyptic number.

It is an amenable number.

670856152 is a deficient number, since it is larger than the sum of its proper divisors (586999148).

670856152 is a wasteful number, since it uses less digits than its factorization.

670856152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83857025 (or 83857021 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 670856152 is about 25900.8909499268. The cubic root of 670856152 is about 875.4065711108.

It can be divided in two parts, 67085 and 6152, that added together give a palindrome (73237).

The spelling of 670856152 in words is "six hundred seventy million, eight hundred fifty-six thousand, one hundred fifty-two".