157165065108 has 72 divisors (see below), whose sum is σ = 418465101600. Its totient is φ = 49598156736.

The previous prime is 157165065073. The next prime is 157165065119. The reversal of 157165065108 is 801560561751.

It is a happy number.

157165065108 is a `hidden beast` number, since 1 + 5 + 71 + 65 + 0 + 6 + 510 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 966298 + ... + 1117166.

It is an arithmetic number, because the mean of its divisors is an integer number (5812015300).

Almost surely, 2^157165065108 is an apocalyptic number.

157165065108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157165065108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209232550800).

157165065108 is an abundant number, since it is smaller than the sum of its proper divisors (261300036492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157165065108 is a wasteful number, since it uses less digits than its factorization.

157165065108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152421 (or 152416 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 45.

The spelling of 157165065108 in words is "one hundred fifty-seven billion, one hundred sixty-five million, sixty-five thousand, one hundred eight".