161030360 has 64 divisors (see below), whose sum is σ = 382034880. Its totient is φ = 60966400.

The previous prime is 161030357. The next prime is 161030447. The reversal of 161030360 is 63030161.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92054 + ... + 93786.

It is an arithmetic number, because the mean of its divisors is an integer number (5969295).

Almost surely, 2^161030360 is an apocalyptic number.

161030360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161030360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191017440).

161030360 is an abundant number, since it is smaller than the sum of its proper divisors (221004520).

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

161030360 is a wasteful number, since it uses less digits than its factorization.

161030360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 161030360 is about 12689.7738356521. The cubic root of 161030360 is about 544.0463754438.

The spelling of 161030360 in words is "one hundred sixty-one million, thirty thousand, three hundred sixty".