59915663444 has 48 divisors (see below), whose sum is σ = 130379601408. Its totient is φ = 23458526208.

The previous prime is 59915663441. The next prime is 59915663461. The reversal of 59915663444 is 44436651995.

It is a super-2 number, since 2×59915663444² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 59915663444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59915663441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 813164 + ... + 883779.

It is an arithmetic number, because the mean of its divisors is an integer number (2716241696).

Almost surely, 2^59915663444 is an apocalyptic number.

It is an amenable number.

59915663444 is an abundant number, since it is smaller than the sum of its proper divisors (70463937964).

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

59915663444 is a wasteful number, since it uses less digits than its factorization.

59915663444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697064 (or 1697062 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 56.

The spelling of 59915663444 in words is "fifty-nine billion, nine hundred fifteen million, six hundred sixty-three thousand, four hundred forty-four".