161098200 has 96 divisors (see below), whose sum is σ = 554912400. Its totient is φ = 42958080.

The previous prime is 161098199. The next prime is 161098211. The reversal of 161098200 is 2890161.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9517 + ... + 20316.

Almost surely, 2^161098200 is an apocalyptic number.

161098200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161098200 is an abundant number, since it is smaller than the sum of its proper divisors (393814200).

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

161098200 is a wasteful number, since it uses less digits than its factorization.

161098200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29858 (or 29843 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 161098200 is about 12692.4465726668. The cubic root of 161098200 is about 544.1227646091.

The spelling of 161098200 in words is "one hundred sixty-one million, ninety-eight thousand, two hundred".