1608677696 has 14 divisors (see below), whose sum is σ = 3192219930. Its totient is φ = 804338816.

The previous prime is 1608677689. The next prime is 1608677737. The reversal of 1608677696 is 6967768061.

It can be written as a sum of positive squares in only one way, i.e., 1485023296 + 123654400 = 38536^2 + 11120^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12567731 + ... + 12567858.

Almost surely, 2^1608677696 is an apocalyptic number.

1608677696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1608677696 is a deficient number, since it is larger than the sum of its proper divisors (1583542234).

1608677696 is an equidigital number, since it uses as much as digits as its factorization.

1608677696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25135601 (or 25135591 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 56.

The square root of 1608677696 is about 40108.3245224729. The cubic root of 1608677696 is about 1171.7177621813.

The spelling of 1608677696 in words is "one billion, six hundred eight million, six hundred seventy-seven thousand, six hundred ninety-six".