160980990 has 64 divisors (see below), whose sum is σ = 414118656. Its totient is φ = 39905792.

The previous prime is 160980959. The next prime is 160980991. The reversal of 160980990 is 99089061.

160980990 = 1505² + 1506² + ... + 1572².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160980991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40429 + ... + 44231.

It is an arithmetic number, because the mean of its divisors is an integer number (6470604).

Almost surely, 2^160980990 is an apocalyptic number.

160980990 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 160980990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207059328).

160980990 is an abundant number, since it is smaller than the sum of its proper divisors (253137666).

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

160980990 is a wasteful number, since it uses less digits than its factorization.

160980990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 160980990 is about 12687.8284193947. The cubic root of 160980990 is about 543.9907703704.

The spelling of 160980990 in words is "one hundred sixty million, nine hundred eighty thousand, nine hundred ninety".