161500050151500 has 48 divisors (see below), whose sum is σ = 470288146045536. Its totient is φ = 43066680040000.

The previous prime is 161500050151483. The next prime is 161500050151537. The reversal of 161500050151500 is 5151050005161.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53833348551 + ... + 53833351550.

It is an arithmetic number, because the mean of its divisors is an integer number (9797669709282).

Almost surely, 2^{161500050151500} is an apocalyptic number.

161500050151500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161500050151500 is an abundant number, since it is smaller than the sum of its proper divisors (308788095894036).

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

161500050151500 is a wasteful number, since it uses less digits than its factorization.

161500050151500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107666700123 (or 107666700111 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 161500050151500 in words is "one hundred sixty-one trillion, five hundred billion, fifty million, one hundred fifty-one thousand, five hundred".