156532050198 has 12 divisors (see below), whose sum is σ = 339152775468. Its totient is φ = 52177350060.

The previous prime is 156532050197. The next prime is 156532050211. The reversal of 156532050198 is 891050235651.

156532050198 is a `hidden beast` number, since 1 + 5 + 6 + 53 + 2 + 0 + 501 + 98 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156532050193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4348112488 + ... + 4348112523.

It is an arithmetic number, because the mean of its divisors is an integer number (28262731289).

Almost surely, 2^156532050198 is an apocalyptic number.

156532050198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

156532050198 is an abundant number, since it is smaller than the sum of its proper divisors (182620725270).

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

156532050198 is a wasteful number, since it uses less digits than its factorization.

156532050198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8696225019 (or 8696225016 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 156532050198 in words is "one hundred fifty-six billion, five hundred thirty-two million, fifty thousand, one hundred ninety-eight".