659946090 has 16 divisors (see below), whose sum is σ = 1583870688. Its totient is φ = 175985616.

The previous prime is 659945987. The next prime is 659946109. The reversal of 659946090 is 90649956.

It is a happy 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, 10999072 + ... + 10999131.

It is an arithmetic number, because the mean of its divisors is an integer number (98991918).

Almost surely, 2^659946090 is an apocalyptic number.

659946090 is an abundant number, since it is smaller than the sum of its proper divisors (923924598).

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

659946090 is a wasteful number, since it uses less digits than its factorization.

659946090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21998213.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 659946090 is about 25689.4159139518. The cubic root of 659946090 is about 870.6350628081.

The spelling of 659946090 in words is "six hundred fifty-nine million, nine hundred forty-six thousand, ninety".