670767165 has 48 divisors (see below), whose sum is σ = 1244692800. Its totient is φ = 333144576.

The previous prime is 670767161. The next prime is 670767169. The reversal of 670767165 is 561767076.

It is an interprime number because it is at equal distance from previous prime (670767161) and next prime (670767169).

It is not a de Polignac number, because 670767165 - 2² = 670767161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 670767165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670767161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43797 + ... + 57093.

It is an arithmetic number, because the mean of its divisors is an integer number (25931100).

Almost surely, 2^670767165 is an apocalyptic number.

It is an amenable number.

670767165 is a deficient number, since it is larger than the sum of its proper divisors (573925635).

670767165 is a wasteful number, since it uses less digits than its factorization.

670767165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13386 (or 13383 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The square root of 670767165 is about 25899.1730562966. The cubic root of 670767165 is about 875.3678627384.

The spelling of 670767165 in words is "six hundred seventy million, seven hundred sixty-seven thousand, one hundred sixty-five".