201491916162 has 64 divisors (see below), whose sum is σ = 430283280384. Its totient is φ = 62755172480.

The previous prime is 201491916149. The next prime is 201491916179. The reversal of 201491916162 is 261619194102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3349393 + ... + 3409019.

It is an arithmetic number, because the mean of its divisors is an integer number (6723176256).

Almost surely, 2^201491916162 is an apocalyptic number.

201491916162 is an abundant number, since it is smaller than the sum of its proper divisors (228791364222).

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

201491916162 is a wasteful number, since it uses less digits than its factorization.

201491916162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60223.

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 201491916162 in words is "two hundred one billion, four hundred ninety-one million, nine hundred sixteen thousand, one hundred sixty-two".