160165998 has 40 divisors (see below), whose sum is σ = 360380592. Its totient is φ = 53167104.

The previous prime is 160165987. The next prime is 160166003. The reversal of 160165998 is 899561061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39711 + ... + 43557.

Almost surely, 2^160165998 is an apocalyptic number.

160165998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 160165998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180190296).

160165998 is an abundant number, since it is smaller than the sum of its proper divisors (200214594).

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

160165998 is a wasteful number, since it uses less digits than its factorization.

160165998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118 (or 4109 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 160165998 is about 12655.6705867370. The cubic root of 160165998 is about 543.0712033852.

The spelling of 160165998 in words is "one hundred sixty million, one hundred sixty-five thousand, nine hundred ninety-eight".