665117350 has 96 divisors (see below), whose sum is σ = 1353770496. Its totient is φ = 242188800.

The previous prime is 665117317. The next prime is 665117371. The reversal of 665117350 is 53711566.

665117350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6215997 + ... + 6216103.

It is an arithmetic number, because the mean of its divisors is an integer number (14101776).

Almost surely, 2^665117350 is an apocalyptic number.

665117350 is an abundant number, since it is smaller than the sum of its proper divisors (688653146).

665117350 is a wasteful number, since it uses less digits than its factorization.

665117350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 665117350 is about 25789.8691349917. The cubic root of 665117350 is about 872.9032134398.

The spelling of 665117350 in words is "six hundred sixty-five million, one hundred seventeen thousand, three hundred fifty".