665377848152 has 32 divisors (see below), whose sum is σ = 1260586800000. Its totient is φ = 329228921088.

The previous prime is 665377848119. The next prime is 665377848181. The reversal of 665377848152 is 251848773566.

It is a super-2 number, since 2×665377848152² (a number of 24 digits) contains 22 as substring.

It is a congruent 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, 233849 + ... + 1177047.

It is an arithmetic number, because the mean of its divisors is an integer number (39393337500).

Almost surely, 2^665377848152 is an apocalyptic number.

It is an amenable number.

665377848152 is a deficient number, since it is larger than the sum of its proper divisors (595208951848).

665377848152 is a wasteful number, since it uses less digits than its factorization.

665377848152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944123 (or 944119 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 62.

The spelling of 665377848152 in words is "six hundred sixty-five billion, three hundred seventy-seven million, eight hundred forty-eight thousand, one hundred fifty-two".