4991688461592 has 96 divisors (see below), whose sum is σ = 15450953899680. Its totient is φ = 1426151508480.

The previous prime is 4991688461587. The next prime is 4991688461633. The reversal of 4991688461592 is 2951648861994.

4991688461592 is a `hidden beast` number, since 499 + 1 + 6 + 8 + 8 + 46 + 1 + 5 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 4991688461592.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17799742 + ... + 18078002.

It is an arithmetic number, because the mean of its divisors is an integer number (160947436455).

Almost surely, 2^{4991688461592} is an apocalyptic number.

4991688461592 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4991688461592 is an abundant number, since it is smaller than the sum of its proper divisors (10459265438088).

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

4991688461592 is a wasteful number, since it uses less digits than its factorization.

4991688461592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313873 (or 313866 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 72.

The spelling of 4991688461592 in words is "four trillion, nine hundred ninety-one billion, six hundred eighty-eight million, four hundred sixty-one thousand, five hundred ninety-two".