160660290 has 256 divisors, whose sum is σ = 504299520. Its totient is φ = 31933440.

The previous prime is 160660243. The next prime is 160660301. The reversal of 160660290 is 92066061.

160660290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4342152 + ... + 4342188.

It is an arithmetic number, because the mean of its divisors is an integer number (1969920).

Almost surely, 2^160660290 is an apocalyptic number.

160660290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 160660290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252149760).

160660290 is an abundant number, since it is smaller than the sum of its proper divisors (343639230).

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

160660290 is a wasteful number, since it uses less digits than its factorization.

160660290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 160660290 is about 12675.1840223328. The cubic root of 160660290 is about 543.6292912131.

The spelling of 160660290 in words is "one hundred sixty million, six hundred sixty thousand, two hundred ninety".