161198360 has 16 divisors (see below), whose sum is σ = 362696400. Its totient is φ = 64479328.

The previous prime is 161198353. The next prime is 161198363. The reversal of 161198360 is 63891161.

It is a super-2 number, since 2×161198360² = 51969822533379200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161198360.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161198363) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2014940 + ... + 2015019.

It is an arithmetic number, because the mean of its divisors is an integer number (22668525).

Almost surely, 2^161198360 is an apocalyptic number.

161198360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161198360 is an abundant number, since it is smaller than the sum of its proper divisors (201498040).

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

161198360 is a wasteful number, since it uses less digits than its factorization.

161198360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029970 (or 4029966 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 161198360 is about 12696.3916133679. The cubic root of 161198360 is about 544.2355075309.

The spelling of 161198360 in words is "one hundred sixty-one million, one hundred ninety-eight thousand, three hundred sixty".