109640172246 has 36 divisors (see below), whose sum is σ = 241046770356. Its totient is φ = 33221591040.

The previous prime is 109640172241. The next prime is 109640172247. The reversal of 109640172246 is 642271046901.

It is a junction number, because it is equal to n+sod(n) for n = 109640172198 and 109640172207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109640172241) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8915670 + ... + 8927958.

It is an arithmetic number, because the mean of its divisors is an integer number (6695743621).

Almost surely, 2^109640172246 is an apocalyptic number.

109640172246 is an abundant number, since it is smaller than the sum of its proper divisors (131406598110).

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

109640172246 is an frugal number, since it uses more digits than its factorization.

109640172246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24605 (or 12305 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 109640172246 in words is "one hundred nine billion, six hundred forty million, one hundred seventy-two thousand, two hundred forty-six".