1631113458 has 32 divisors (see below), whose sum is σ = 3516258816. Its totient is φ = 501439488.

The previous prime is 1631113441. The next prime is 1631113489. The reversal of 1631113458 is 8543111361.

It is a super-2 number, since 2×1631113458² = 5321062225737435528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86335 + ... + 103517.

It is an arithmetic number, because the mean of its divisors is an integer number (109883088).

Almost surely, 2^1631113458 is an apocalyptic number.

1631113458 is an abundant number, since it is smaller than the sum of its proper divisors (1885145358).

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

1631113458 is a wasteful number, since it uses less digits than its factorization.

1631113458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18418.

The product of its digits is 8640, while the sum is 33.

The square root of 1631113458 is about 40387.0456706108. The cubic root of 1631113458 is about 1177.1398358445.

The spelling of 1631113458 in words is "one billion, six hundred thirty-one million, one hundred thirteen thousand, four hundred fifty-eight".