670254165 has 96 divisors (see below), whose sum is σ = 1424666880. Its totient is φ = 284663808.

The previous prime is 670254157. The next prime is 670254227. The reversal of 670254165 is 561452076.

It is a happy number.

It is not a de Polignac number, because 670254165 - 2³ = 670254157 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 316149 + ... + 318261.

It is an arithmetic number, because the mean of its divisors is an integer number (14840280).

Almost surely, 2^670254165 is an apocalyptic number.

It is an amenable number.

670254165 is an abundant number, since it is smaller than the sum of its proper divisors (754412715).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670254165 is a wasteful number, since it uses less digits than its factorization.

670254165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203 (or 2200 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 670254165 is about 25889.2673708624. The cubic root of 670254165 is about 875.1446465633.

The spelling of 670254165 in words is "six hundred seventy million, two hundred fifty-four thousand, one hundred sixty-five".