163152830657 has 4 divisors (see below), whose sum is σ = 163427962500. Its totient is φ = 162877698816.

The previous prime is 163152830651. The next prime is 163152830693. The reversal of 163152830657 is 756038251361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 756038251361 = 37 ⋅20433466253.

It can be written as a sum of positive squares in 2 ways, for example, as 117117266176 + 46035564481 = 342224^2 + 214559^2 .

It is a cyclic number.

It is not a de Polignac number, because 163152830657 - 2⁴ = 163152830641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163152830651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137565032 + ... + 137566217.

It is an arithmetic number, because the mean of its divisors is an integer number (40856990625).

Almost surely, 2^163152830657 is an apocalyptic number.

It is an amenable number.

163152830657 is a deficient number, since it is larger than the sum of its proper divisors (275131843).

163152830657 is an equidigital number, since it uses as much as digits as its factorization.

163152830657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275131842.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 163152830657 in words is "one hundred sixty-three billion, one hundred fifty-two million, eight hundred thirty thousand, six hundred fifty-seven".