160999432 has 64 divisors (see below), whose sum is σ = 341288640. Its totient is φ = 70560000.

The previous prime is 160999429. The next prime is 160999457. The reversal of 160999432 is 234999061.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641307 + ... + 641557.

It is an arithmetic number, because the mean of its divisors is an integer number (5332635).

Almost surely, 2^160999432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 160999432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170644320).

160999432 is an abundant number, since it is smaller than the sum of its proper divisors (180289208).

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

160999432 is a wasteful number, since it uses less digits than its factorization.

160999432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 160999432 is about 12688.5551580942. Note that the first 3 decimals coincide. The cubic root of 160999432 is about 544.0115427914.

The spelling of 160999432 in words is "one hundred sixty million, nine hundred ninety-nine thousand, four hundred thirty-two".