161500600151625 has 512 divisors, whose sum is σ = 324668561817600. Its totient is φ = 69746987520000.

The previous prime is 161500600151533. The next prime is 161500600151707. The reversal of 161500600151625 is 526151006005161.

It is not a de Polignac number, because 161500600151625 - 2¹³ = 161500600143433 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 286857193594 + ... + 286857194156.

It is an arithmetic number, because the mean of its divisors is an integer number (634118284800).

Almost surely, 2^{161500600151625} is an apocalyptic number.

161500600151625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

161500600151625 is an abundant number, since it is smaller than the sum of its proper divisors (163167961665975).

161500600151625 is a wasteful number, since it uses less digits than its factorization.

161500600151625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

Adding to 161500600151625 its reverse (526151006005161), we get a palindrome (687651606156786).

The spelling of 161500600151625 in words is "one hundred sixty-one trillion, five hundred billion, six hundred million, one hundred fifty-one thousand, six hundred twenty-five".