1612539456 has 56 divisors (see below), whose sum is σ = 4654381344. Its totient is φ = 488647680.

The previous prime is 1612539449. The next prime is 1612539473. The reversal of 1612539456 is 6549352161.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379645 + ... + 383868.

Almost surely, 2^1612539456 is an apocalyptic number.

1612539456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1612539456 is an abundant number, since it is smaller than the sum of its proper divisors (3041841888).

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

1612539456 is a wasteful number, since it uses less digits than its factorization.

1612539456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763539 (or 763529 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 1612539456 is about 40156.4372921702. The cubic root of 1612539456 is about 1172.6546137807.

The spelling of 1612539456 in words is "one billion, six hundred twelve million, five hundred thirty-nine thousand, four hundred fifty-six".