665074486 has 16 divisors (see below), whose sum is σ = 1051725024. Its totient is φ = 314797824.

The previous prime is 665074477. The next prime is 665074511. The reversal of 665074486 is 684470566.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70065 + ... + 78988.

It is an arithmetic number, because the mean of its divisors is an integer number (65732814).

Almost surely, 2^665074486 is an apocalyptic number.

665074486 is a deficient number, since it is larger than the sum of its proper divisors (386650538).

665074486 is a wasteful number, since it uses less digits than its factorization.

665074486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149175.

The product of its (nonzero) digits is 967680, while the sum is 46.

The square root of 665074486 is about 25789.0380976104. The cubic root of 665074486 is about 872.8844613970.

The spelling of 665074486 in words is "six hundred sixty-five million, seventy-four thousand, four hundred eighty-six".