109818380406 has 16 divisors (see below), whose sum is σ = 251013441024. Its totient is φ = 31376680104.

The previous prime is 109818380377. The next prime is 109818380417. The reversal of 109818380406 is 604083818901.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307361630 + ... + 1307361713.

It is an arithmetic number, because the mean of its divisors is an integer number (15688340064).

Almost surely, 2^109818380406 is an apocalyptic number.

109818380406 is an abundant number, since it is smaller than the sum of its proper divisors (141195060618).

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

109818380406 is a wasteful number, since it uses less digits than its factorization.

109818380406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614723355.

The product of its (nonzero) digits is 331776, while the sum is 48.

The spelling of 109818380406 in words is "one hundred nine billion, eight hundred eighteen million, three hundred eighty thousand, four hundred six".