665410137022 has 16 divisors (see below), whose sum is σ = 1074152914992. Its totient is φ = 308000833920.

The previous prime is 665410137019. The next prime is 665410137127. The reversal of 665410137022 is 220731014566.

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, 160415028 + ... + 160419175.

It is an arithmetic number, because the mean of its divisors is an integer number (67134557187).

Almost surely, 2^665410137022 is an apocalyptic number.

665410137022 is a deficient number, since it is larger than the sum of its proper divisors (408742777970).

665410137022 is a wasteful number, since it uses less digits than its factorization.

665410137022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320834283.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 665410137022 in words is "six hundred sixty-five billion, four hundred ten million, one hundred thirty-seven thousand, twenty-two".