109999664489392 has 160 divisors (see below), whose sum is σ = 229797841104000. Its totient is φ = 50825450471424.

The previous prime is 109999664489327. The next prime is 109999664489399. The reversal of 109999664489392 is 293984466999901.

It is not an unprimeable number, because it can be changed into a prime (109999664489399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2325108234 + ... + 2325155542.

It is an arithmetic number, because the mean of its divisors is an integer number (1436236506900).

Almost surely, 2^{109999664489392} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109999664489392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114898920552000).

109999664489392 is an abundant number, since it is smaller than the sum of its proper divisors (119798176614608).

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

109999664489392 is a wasteful number, since it uses less digits than its factorization.

109999664489392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48143 (or 48137 counting only the distinct ones).

The product of its (nonzero) digits is 14693280768, while the sum is 88.

The spelling of 109999664489392 in words is "one hundred nine trillion, nine hundred ninety-nine billion, six hundred sixty-four million, four hundred eighty-nine thousand, three hundred ninety-two".