660902083 has 16 divisors (see below), whose sum is σ = 706708800. Its totient is φ = 616913920.

The previous prime is 660901991. The next prime is 660902087. The reversal of 660902083 is 380209066.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 660902083 - 2²¹ = 658804931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (660902087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131898 + ... + 136816.

It is an arithmetic number, because the mean of its divisors is an integer number (44169300).

Almost surely, 2^660902083 is an apocalyptic number.

660902083 is a deficient number, since it is larger than the sum of its proper divisors (45806717).

660902083 is a wasteful number, since it uses less digits than its factorization.

660902083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 660902083 is about 25708.0159288888. The cubic root of 660902083 is about 871.0552584692.

The spelling of 660902083 in words is "six hundred sixty million, nine hundred two thousand, eighty-three".