201956356160 has 56 divisors (see below), whose sum is σ = 517901550936. Its totient is φ = 74568499200.

The previous prime is 201956356159. The next prime is 201956356201. The reversal of 201956356160 is 61653659102.

It can be written as a sum of positive squares in 4 ways, for example, as 21752710144 + 180203646016 = 147488^2 + 424504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24269441 + ... + 24277760.

It is an arithmetic number, because the mean of its divisors is an integer number (9248241981).

Almost surely, 2^201956356160 is an apocalyptic number.

201956356160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201956356160 is an abundant number, since it is smaller than the sum of its proper divisors (315945194776).

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

201956356160 is a wasteful number, since it uses less digits than its factorization.

201956356160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48547231 (or 48547221 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 201956356160 in words is "two hundred one billion, nine hundred fifty-six million, three hundred fifty-six thousand, one hundred sixty".