201631162 has 8 divisors (see below), whose sum is σ = 302891616. Its totient is φ = 100667292.

The previous prime is 201631159. The next prime is 201631181. The reversal of 201631162 is 261136102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72438 + ... + 75169.

It is an arithmetic number, because the mean of its divisors is an integer number (37861452).

Almost surely, 2^201631162 is an apocalyptic number.

201631162 is a deficient number, since it is larger than the sum of its proper divisors (101260454).

201631162 is a wasteful number, since it uses less digits than its factorization.

201631162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148292.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 201631162 is about 14199.6887994068. The cubic root of 201631162 is about 586.3890938260.

Adding to 201631162 its reverse (261136102), we get a palindrome (462767264).

The spelling of 201631162 in words is "two hundred one million, six hundred thirty-one thousand, one hundred sixty-two".