1616302472 has 32 divisors (see below), whose sum is σ = 3319493400. Its totient is φ = 734383104.

The previous prime is 1616302453. The next prime is 1616302481. The reversal of 1616302472 is 2742036161.

It can be written as a sum of positive squares in 4 ways, for example, as 1598880196 + 17422276 = 39986^2 + 4174^2 .

It is a super-2 number, since 2×1616302472² = 5224867361986621568, which contains 22 as substring.

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, 200963 + ... + 208850.

Almost surely, 2^1616302472 is an apocalyptic number.

It is an amenable number.

1616302472 is an abundant number, since it is smaller than the sum of its proper divisors (1703190928).

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

1616302472 is a wasteful number, since it uses less digits than its factorization.

1616302472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409865 (or 409861 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1616302472 is about 40203.2644445697. The cubic root of 1616302472 is about 1173.5660726187.

The spelling of 1616302472 in words is "one billion, six hundred sixteen million, three hundred two thousand, four hundred seventy-two".