109664140452 has 12 divisors (see below), whose sum is σ = 255882994416. Its totient is φ = 36554713480.

The previous prime is 109664140429. The next prime is 109664140471. The reversal of 109664140452 is 254041466901.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4569339174 + ... + 4569339197.

It is an arithmetic number, because the mean of its divisors is an integer number (21323582868).

Almost surely, 2^109664140452 is an apocalyptic number.

109664140452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109664140452 is an abundant number, since it is smaller than the sum of its proper divisors (146218853964).

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

109664140452 is a wasteful number, since it uses less digits than its factorization.

109664140452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9138678378 (or 9138678376 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 109664140452 in words is "one hundred nine billion, six hundred sixty-four million, one hundred forty thousand, four hundred fifty-two".