163246604057 has 16 divisors (see below), whose sum is σ = 168110354832. Its totient is φ = 158462853120.

The previous prime is 163246604039. The next prime is 163246604083. The reversal of 163246604057 is 750406642361.

It can be written as a sum of positive squares in 8 ways, for example, as 71689527001 + 91557077056 = 267749^2 + 302584^2 .

It is a cyclic number.

It is not a de Polignac number, because 163246604057 - 2¹⁸ = 163246341913 is a prime.

It is a super-2 number, since 2×163246604057² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163246603999 and 163246604017.

It is not an unprimeable number, because it can be changed into a prime (163246604957) 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, 2049623 + ... + 2127779.

It is an arithmetic number, because the mean of its divisors is an integer number (10506897177).

Almost surely, 2^163246604057 is an apocalyptic number.

It is an amenable number.

163246604057 is a deficient number, since it is larger than the sum of its proper divisors (4863750775).

163246604057 is an equidigital number, since it uses as much as digits as its factorization.

163246604057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78668.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 163246604057 in words is "one hundred sixty-three billion, two hundred forty-six million, six hundred four thousand, fifty-seven".