620763165 has 96 divisors (see below), whose sum is σ = 1221816960. Its totient is φ = 288921600.

The previous prime is 620763161. The next prime is 620763167. The reversal of 620763165 is 561367026.

It is not a de Polignac number, because 620763165 - 2² = 620763161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620763161) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1481326 + ... + 1481744.

It is an arithmetic number, because the mean of its divisors is an integer number (12727260).

Almost surely, 2^620763165 is an apocalyptic number.

It is an amenable number.

620763165 is a deficient number, since it is larger than the sum of its proper divisors (601053795).

620763165 is a wasteful number, since it uses less digits than its factorization.

620763165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 620763165 is about 24915.1192050128. The cubic root of 620763165 is about 853.0516216726.

The spelling of 620763165 in words is "six hundred twenty million, seven hundred sixty-three thousand, one hundred sixty-five".