163040015122065 has 40 divisors (see below), whose sum is σ = 304971467917248. Its totient is φ = 83174036695200.

The previous prime is 163040015122057. The next prime is 163040015122081. The reversal of 163040015122065 is 560221510040361.

163040015122065 is a `hidden beast` number, since 1 + 6 + 30 + 400 + 1 + 5 + 12 + 206 + 5 = 666.

163040015122065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163040015122065 - 2³ = 163040015122057 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8751467611 + ... + 8751486240.

Almost surely, 2^{163040015122065} is an apocalyptic number.

163040015122065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163040015122065 is a deficient number, since it is larger than the sum of its proper divisors (141931452795183).

163040015122065 is a wasteful number, since it uses less digits than its factorization.

163040015122065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17502953891 (or 17502953882 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 163040015122065 in words is "one hundred sixty-three trillion, forty billion, fifteen million, one hundred twenty-two thousand, sixty-five".