669612370 has 16 divisors (see below), whose sum is σ = 1377488448. Its totient is φ = 229581360.

The previous prime is 669612353. The next prime is 669612443. The reversal of 669612370 is 73216966.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4782876 + ... + 4783015.

It is an arithmetic number, because the mean of its divisors is an integer number (86093028).

Almost surely, 2^669612370 is an apocalyptic number.

669612370 is an abundant number, since it is smaller than the sum of its proper divisors (707876078).

669612370 is a wasteful number, since it uses less digits than its factorization.

669612370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9565905.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 669612370 is about 25876.8694010694. The cubic root of 669612370 is about 874.8652287668.

The spelling of 669612370 in words is "six hundred sixty-nine million, six hundred twelve thousand, three hundred seventy".