1608760625 has 20 divisors (see below), whose sum is σ = 2043311556. Its totient is φ = 1265880000.

The previous prime is 1608760613. The next prime is 1608760639. The reversal of 1608760625 is 5260678061.

It can be written as a sum of positive squares in 10 ways, for example, as 1606486561 + 2274064 = 40081^2 + 1508^2 .

It is not a de Polignac number, because 1608760625 - 2¹⁶ = 1608695089 is a prime.

It is a super-2 number, since 2×1608760625² = 5176221497100781250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17027 + ... + 59223.

Almost surely, 2^1608760625 is an apocalyptic number.

It is an amenable number.

1608760625 is a deficient number, since it is larger than the sum of its proper divisors (434550931).

1608760625 is an frugal number, since it uses more digits than its factorization.

1608760625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42278 (or 42263 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1608760625 is about 40109.3583219677. The cubic root of 1608760625 is about 1171.7378962564.

The spelling of 1608760625 in words is "one billion, six hundred eight million, seven hundred sixty thousand, six hundred twenty-five".