5901663683502 has 16 divisors (see below), whose sum is σ = 13114808185680. Its totient is φ = 1967221227816.

The previous prime is 5901663683497. The next prime is 5901663683519. The reversal of 5901663683502 is 2053863661095.

It is a happy number.

5901663683502 is a `hidden beast` number, since 5 + 9 + 0 + 16 + 63 + 68 + 3 + 502 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 109290068213 = 5901663683502 / (5 + 9 + 0 + 1 + 6 + 6 + 3 + 6 + 8 + 3 + 5 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54645034053 + ... + 54645034160.

It is an arithmetic number, because the mean of its divisors is an integer number (819675511605).

Almost surely, 2^{5901663683502} is an apocalyptic number.

5901663683502 is an abundant number, since it is smaller than the sum of its proper divisors (7213144502178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5901663683502 is a wasteful number, since it uses less digits than its factorization.

5901663683502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109290068224 (or 109290068218 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

Adding to 5901663683502 its sum of digits (54), we get a square (5901663683556 = 2429334²).

The spelling of 5901663683502 in words is "five trillion, nine hundred one billion, six hundred sixty-three million, six hundred eighty-three thousand, five hundred two".