163040000660365 has 16 divisors (see below), whose sum is σ = 205963941769920. Its totient is φ = 123555951728640.

The previous prime is 163040000660351. The next prime is 163040000660399. The reversal of 163040000660365 is 563066000040361.

It is not a de Polignac number, because 163040000660365 - 2⁵ = 163040000660333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76770996 + ... + 78866125.

It is an arithmetic number, because the mean of its divisors is an integer number (12872746360620).

Almost surely, 2^{163040000660365} is an apocalyptic number.

It is an amenable number.

163040000660365 is a deficient number, since it is larger than the sum of its proper divisors (42923941109555).

163040000660365 is a wasteful number, since it uses less digits than its factorization.

163040000660365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155648172.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 163040000660365 in words is "one hundred sixty-three trillion, forty billion, six hundred sixty thousand, three hundred sixty-five".