161098528870 has 32 divisors (see below), whose sum is σ = 293297695200. Its totient is φ = 63701865216.

The previous prime is 161098528859. The next prime is 161098528889. The reversal of 161098528870 is 78825890161.

161098528870 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 4884796 + ... + 4917664.

It is an arithmetic number, because the mean of its divisors is an integer number (9165552975).

Almost surely, 2^161098528870 is an apocalyptic number.

161098528870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161098528870 is a deficient number, since it is larger than the sum of its proper divisors (132199166330).

161098528870 is a wasteful number, since it uses less digits than its factorization.

161098528870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38472.

The product of its (nonzero) digits is 1935360, while the sum is 55.

The spelling of 161098528870 in words is "one hundred sixty-one billion, ninety-eight million, five hundred twenty-eight thousand, eight hundred seventy".