665377848150 has 48 divisors (see below), whose sum is σ = 1651196102400. Its totient is φ = 177320217760.

The previous prime is 665377848119. The next prime is 665377848181. The reversal of 665377848150 is 51848773566.

It is an interprime number because it is at equal distance from previous prime (665377848119) and next prime (665377848181).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1188810 + ... + 1656509.

It is an arithmetic number, because the mean of its divisors is an integer number (34399918800).

Almost surely, 2^665377848150 is an apocalyptic number.

665377848150 is an abundant number, since it is smaller than the sum of its proper divisors (985818254250).

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

665377848150 is a wasteful number, since it uses less digits than its factorization.

665377848150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846893 (or 2846888 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 665377848150 in words is "six hundred sixty-five billion, three hundred seventy-seven million, eight hundred forty-eight thousand, one hundred fifty".