109161852870 has 32 divisors (see below), whose sum is σ = 299415368448. Its totient is φ = 24951280608.

The previous prime is 109161852847. The next prime is 109161852889. The reversal of 109161852870 is 78258161901.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259908964 + ... + 259909383.

It is an arithmetic number, because the mean of its divisors is an integer number (9356730264).

Almost surely, 2^109161852870 is an apocalyptic number.

109161852870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109161852870 is an abundant number, since it is smaller than the sum of its proper divisors (190253515578).

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

109161852870 is a wasteful number, since it uses less digits than its factorization.

109161852870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519818364.

The product of its (nonzero) digits is 241920, while the sum is 48.

The spelling of 109161852870 in words is "one hundred nine billion, one hundred sixty-one million, eight hundred fifty-two thousand, eight hundred seventy".