160091904 has 144 divisors (see below), whose sum is σ = 493568768. Its totient is φ = 45121536.

The previous prime is 160091903. The next prime is 160091909. The reversal of 160091904 is 409190061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160091903) by changing a digit.

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, 521319 + ... + 521625.

Almost surely, 2^160091904 is an apocalyptic number.

160091904 is a gapful number since it is divisible by the number (14) 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 160091904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246784384).

160091904 is an abundant number, since it is smaller than the sum of its proper divisors (333476864).

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

160091904 is an equidigital number, since it uses as much as digits as its factorization.

160091904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 160091904 is about 12652.7429437257. The cubic root of 160091904 is about 542.9874475221.

The spelling of 160091904 in words is "one hundred sixty million, ninety-one thousand, nine hundred four".