1613450656 has 24 divisors (see below), whose sum is σ = 3189676644. Its totient is φ = 803374080.

The previous prime is 1613450633. The next prime is 1613450693. The reversal of 1613450656 is 6560543161.

It can be written as a sum of positive squares in 2 ways, for example, as 1558986256 + 54464400 = 39484^2 + 7380^2 .

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, 96895 + ... + 112318.

Almost surely, 2^1613450656 is an apocalyptic number.

1613450656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1613450656 is a deficient number, since it is larger than the sum of its proper divisors (1576225988).

1613450656 is a wasteful number, since it uses less digits than its factorization.

1613450656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209464 (or 209456 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 1613450656 is about 40167.7813178672. The cubic root of 1613450656 is about 1172.8754500687.

The spelling of 1613450656 in words is "one billion, six hundred thirteen million, four hundred fifty thousand, six hundred fifty-six".