1613775656 has 16 divisors (see below), whose sum is σ = 3045870240. Its totient is φ = 801543600.

The previous prime is 1613775637. The next prime is 1613775671. The reversal of 1613775656 is 6565773161.

It is a self number, because there is not a number n which added to its sum of digits gives 1613775656.

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, 666746 + ... + 669161.

It is an arithmetic number, because the mean of its divisors is an integer number (190366890).

Almost surely, 2^1613775656 is an apocalyptic number.

It is an amenable number.

1613775656 is a deficient number, since it is larger than the sum of its proper divisors (1432094584).

1613775656 is a wasteful number, since it uses less digits than its factorization.

1613775656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336064 (or 1336060 counting only the distinct ones).

The product of its digits is 793800, while the sum is 47.

The square root of 1613775656 is about 40171.8266450506. The cubic root of 1613775656 is about 1172.9541961873.

The spelling of 1613775656 in words is "one billion, six hundred thirteen million, seven hundred seventy-five thousand, six hundred fifty-six".