161107488 has 96 divisors (see below), whose sum is σ = 472348800. Its totient is φ = 53422848.

The previous prime is 161107477. The next prime is 161107511. The reversal of 161107488 is 884701161.

161107488 is a `hidden beast` number, since 161 + 10 + 7 + 488 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 226878 + ... + 227586.

It is an arithmetic number, because the mean of its divisors is an integer number (4920300).

Almost surely, 2^161107488 is an apocalyptic number.

161107488 is a gapful number since it is divisible by the number (18) 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 161107488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236174400).

161107488 is an abundant number, since it is smaller than the sum of its proper divisors (311241312).

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

161107488 is a wasteful number, since it uses less digits than its factorization.

161107488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 161107488 is about 12692.8124542987. The cubic root of 161107488 is about 544.1332214093.

The spelling of 161107488 in words is "one hundred sixty-one million, one hundred seven thousand, four hundred eighty-eight".