163220250662507 has 16 divisors (see below), whose sum is σ = 175834007669760. Its totient is φ = 151009945222752.

The previous prime is 163220250662459. The next prime is 163220250662509. The reversal of 163220250662507 is 705266052022361.

It is a cyclic number.

It is not a de Polignac number, because 163220250662507 - 2¹⁰ = 163220250661483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163220250662509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10486868 + ... + 20890545.

It is an arithmetic number, because the mean of its divisors is an integer number (10989625479360).

Almost surely, 2^{163220250662507} is an apocalyptic number.

163220250662507 is a deficient number, since it is larger than the sum of its proper divisors (12613757007253).

163220250662507 is a wasteful number, since it uses less digits than its factorization.

163220250662507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31383842.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 163220250662507 in words is "one hundred sixty-three trillion, two hundred twenty billion, two hundred fifty million, six hundred sixty-two thousand, five hundred seven".