631428162 has 16 divisors (see below), whose sum is σ = 1296988032. Its totient is φ = 204787440.

The previous prime is 631428157. The next prime is 631428209. The reversal of 631428162 is 261824136.

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, 1421914 + ... + 1422357.

It is an arithmetic number, because the mean of its divisors is an integer number (81061752).

Almost surely, 2^631428162 is an apocalyptic number.

631428162 is an abundant number, since it is smaller than the sum of its proper divisors (665559870).

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

631428162 is a wasteful number, since it uses less digits than its factorization.

631428162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844313.

The product of its digits is 13824, while the sum is 33.

The square root of 631428162 is about 25128.2343589835. The cubic root of 631428162 is about 857.9091818175.

The spelling of 631428162 in words is "six hundred thirty-one million, four hundred twenty-eight thousand, one hundred sixty-two".