665162465 has 16 divisors (see below), whose sum is σ = 879742080. Its totient is φ = 478763520.

The previous prime is 665162453. The next prime is 665162479. The reversal of 665162465 is 564261566.

665162465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 665162465 - 2²⁶ = 598053601 is a prime.

It is a super-2 number, since 2×665162465² = 884882209689752450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57005 + ... + 67674.

It is an arithmetic number, because the mean of its divisors is an integer number (54983880).

Almost surely, 2^665162465 is an apocalyptic number.

It is an amenable number.

665162465 is a deficient number, since it is larger than the sum of its proper divisors (214579615).

665162465 is a wasteful number, since it uses less digits than its factorization.

665162465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124792.

The product of its digits is 259200, while the sum is 41.

The square root of 665162465 is about 25790.7437853196. The cubic root of 665162465 is about 872.9229493747.

The spelling of 665162465 in words is "six hundred sixty-five million, one hundred sixty-two thousand, four hundred sixty-five".