1608698456 has 16 divisors (see below), whose sum is σ = 3086457000. Its totient is φ = 785643264.

The previous prime is 1608698437. The next prime is 1608698461. The reversal of 1608698456 is 6548968061.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1608698398 and 1608698407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2337881 + ... + 2338568.

Almost surely, 2^1608698456 is an apocalyptic number.

It is an amenable number.

1608698456 is a deficient number, since it is larger than the sum of its proper divisors (1477758544).

1608698456 is a wasteful number, since it uses less digits than its factorization.

1608698456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676498 (or 4676494 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The square root of 1608698456 is about 40108.5833207806. The cubic root of 1608698456 is about 1171.7228025024.

The spelling of 1608698456 in words is "one billion, six hundred eight million, six hundred ninety-eight thousand, four hundred fifty-six".