161095198110 has 128 divisors (see below), whose sum is σ = 483211699200. Its totient is φ = 33392286720.

The previous prime is 161095198109. The next prime is 161095198123. The reversal of 161095198110 is 11891590161.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 859536 + ... + 1030044.

It is an arithmetic number, because the mean of its divisors is an integer number (3775091400).

Almost surely, 2^161095198110 is an apocalyptic number.

161095198110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 161095198110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241605849600).

161095198110 is an abundant number, since it is smaller than the sum of its proper divisors (322116501090).

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

161095198110 is a wasteful number, since it uses less digits than its factorization.

161095198110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170946.

The product of its (nonzero) digits is 19440, while the sum is 42.

The spelling of 161095198110 in words is "one hundred sixty-one billion, ninety-five million, one hundred ninety-eight thousand, one hundred ten".