161364400113 has 16 divisors (see below), whose sum is σ = 246727829376. Its totient is φ = 91893521280.

The previous prime is 161364400091. The next prime is 161364400121. The reversal of 161364400113 is 311004463161.

It is not a de Polignac number, because 161364400113 - 2²⁸ = 161095964657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (161364400913) 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, 13106508 + ... + 13118813.

It is an arithmetic number, because the mean of its divisors is an integer number (15420489336).

Almost surely, 2^161364400113 is an apocalyptic number.

It is an amenable number.

161364400113 is a deficient number, since it is larger than the sum of its proper divisors (85363429263).

161364400113 is a wasteful number, since it uses less digits than its factorization.

161364400113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26225624.

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 161364400113 its reverse (311004463161), we get a palindrome (472368863274).

The spelling of 161364400113 in words is "one hundred sixty-one billion, three hundred sixty-four million, four hundred thousand, one hundred thirteen".