116643408531644 has 6 divisors (see below), whose sum is σ = 204125964930384. Its totient is φ = 58321704265820.

The previous prime is 116643408531607. The next prime is 116643408531653. The reversal of 116643408531644 is 446135804346611.

It is a self number, because there is not a number n which added to its sum of digits gives 116643408531644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14580426066452 + ... + 14580426066459.

It is an arithmetic number, because the mean of its divisors is an integer number (34020994155064).

Almost surely, 2^{116643408531644} is an apocalyptic number.

It is an amenable number.

116643408531644 is a deficient number, since it is larger than the sum of its proper divisors (87482556398740).

116643408531644 is a wasteful number, since it uses less digits than its factorization.

116643408531644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29160852132915 (or 29160852132913 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 116643408531644 in words is "one hundred sixteen trillion, six hundred forty-three billion, four hundred eight million, five hundred thirty-one thousand, six hundred forty-four".