4491571416 has 16 divisors (see below), whose sum is σ = 11228928600. Its totient is φ = 1497190464.

The previous prime is 4491571397. The next prime is 4491571433. The reversal of 4491571416 is 6141751944.

It is a congruent number.

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, 93574381 + ... + 93574428.

Almost surely, 2^4491571416 is an apocalyptic number.

It is an amenable number.

4491571416 is an abundant number, since it is smaller than the sum of its proper divisors (6737357184).

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

4491571416 is a wasteful number, since it uses less digits than its factorization.

4491571416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187148818 (or 187148814 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 4491571416 is about 67019.1869243428. The cubic root of 4491571416 is about 1649.9322183359.

The spelling of 4491571416 in words is "four billion, four hundred ninety-one million, five hundred seventy-one thousand, four hundred sixteen".