109797163964908 has 96 divisors (see below), whose sum is σ = 226868179865600. Its totient is φ = 45499806777600.

The previous prime is 109797163964903. The next prime is 109797163964933. The reversal of 109797163964908 is 809469361797901.

It is not an unprimeable number, because it can be changed into a prime (109797163964903) 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, 7826435638 + ... + 7826449666.

Almost surely, 2^{109797163964908} 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 109797163964908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113434089932800).

109797163964908 is an abundant number, since it is smaller than the sum of its proper divisors (117071015900692).

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

109797163964908 is a wasteful number, since it uses less digits than its factorization.

109797163964908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20991 (or 20989 counting only the distinct ones).

The product of its (nonzero) digits is 1111065984, while the sum is 79.

The spelling of 109797163964908 in words is "one hundred nine trillion, seven hundred ninety-seven billion, one hundred sixty-three million, nine hundred sixty-four thousand, nine hundred eight".