491958162 has 12 divisors (see below), whose sum is σ = 1065909390. Its totient is φ = 163986048.

The previous prime is 491958157. The next prime is 491958167. The reversal of 491958162 is 261859194.

491958162 is a `hidden beast` number, since 4 + 9 + 1 + 9 + 581 + 62 = 666.

It is an interprime number because it is at equal distance from previous prime (491958157) and next prime (491958167).

It can be written as a sum of positive squares in only one way, i.e., 491109921 + 848241 = 22161^2 + 921^2 .

It is not an unprimeable number, because it can be changed into a prime (491958167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13665487 + ... + 13665522.

Almost surely, 2^491958162 is an apocalyptic number.

491958162 is an abundant number, since it is smaller than the sum of its proper divisors (573951228).

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

491958162 is a wasteful number, since it uses less digits than its factorization.

491958162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27331017 (or 27331014 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 491958162 is about 22180.1298914141. The cubic root of 491958162 is about 789.4222994359.

The spelling of 491958162 in words is "four hundred ninety-one million, nine hundred fifty-eight thousand, one hundred sixty-two".