664258083 has 8 divisors (see below), whose sum is σ = 885841488. Its totient is φ = 442756704.

The previous prime is 664258061. The next prime is 664258087. The reversal of 664258083 is 380852466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 664258083 - 2⁶ = 664258019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (664258087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1885 + ... + 36497.

It is an arithmetic number, because the mean of its divisors is an integer number (110730186).

Almost surely, 2^664258083 is an apocalyptic number.

664258083 is a deficient number, since it is larger than the sum of its proper divisors (221583405).

664258083 is a wasteful number, since it uses less digits than its factorization.

664258083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41013.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 664258083 is about 25773.2047483428. The cubic root of 664258083 is about 872.5271493975.

The spelling of 664258083 in words is "six hundred sixty-four million, two hundred fifty-eight thousand, eighty-three".