660539096 has 32 divisors (see below), whose sum is σ = 1453700640. Its totient is φ = 275436288.

The previous prime is 660539083. The next prime is 660539107. The reversal of 660539096 is 690935066.

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, 157325 + ... + 161468.

It is an arithmetic number, because the mean of its divisors is an integer number (45428145).

Almost surely, 2^660539096 is an apocalyptic number.

It is an amenable number.

660539096 is an abundant number, since it is smaller than the sum of its proper divisors (793161544).

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

660539096 is a wasteful number, since it uses less digits than its factorization.

660539096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318843 (or 318839 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 44.

The square root of 660539096 is about 25700.9551573478. The cubic root of 660539096 is about 870.8957594822.

The spelling of 660539096 in words is "six hundred sixty million, five hundred thirty-nine thousand, ninety-six".