201251164150 has 24 divisors (see below), whose sum is σ = 374353097904. Its totient is φ = 80494888800.

The previous prime is 201251164033. The next prime is 201251164207. The reversal of 201251164150 is 51461152102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 631764 + ... + 895336.

It is an arithmetic number, because the mean of its divisors is an integer number (15598045746).

Almost surely, 2^201251164150 is an apocalyptic number.

201251164150 is a deficient number, since it is larger than the sum of its proper divisors (173101933754).

201251164150 is a wasteful number, since it uses less digits than its factorization.

201251164150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278856 (or 278851 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The spelling of 201251164150 in words is "two hundred one billion, two hundred fifty-one million, one hundred sixty-four thousand, one hundred fifty".