660578082 has 16 divisors (see below), whose sum is σ = 1321636512. Its totient is φ = 220112640.

The previous prime is 660578081. The next prime is 660578117. The reversal of 660578082 is 280875066.

It is not an unprimeable number, because it can be changed into a prime (660578081) 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, 703 + ... + 36354.

It is an arithmetic number, because the mean of its divisors is an integer number (82602282).

Almost surely, 2^660578082 is an apocalyptic number.

660578082 is an abundant number, since it is smaller than the sum of its proper divisors (661058430).

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

660578082 is a wasteful number, since it uses less digits than its factorization.

660578082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40033.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 660578082 is about 25701.7136004586. The cubic root of 660578082 is about 870.9128929995.

The spelling of 660578082 in words is "six hundred sixty million, five hundred seventy-eight thousand, eighty-two".