160911660 has 144 divisors (see below), whose sum is σ = 557819136. Its totient is φ = 33935616.

The previous prime is 160911649. The next prime is 160911677. The reversal of 160911660 is 66119061.

160911660 = 353² + 354² + ... + 807².

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69847 + ... + 72113.

It is an arithmetic number, because the mean of its divisors is an integer number (3873744).

Almost surely, 2^160911660 is an apocalyptic number.

160911660 is a gapful number since it is divisible by the number (10) 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 160911660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278909568).

160911660 is an abundant number, since it is smaller than the sum of its proper divisors (396907476).

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

160911660 is a wasteful number, since it uses less digits than its factorization.

160911660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312 (or 2297 counting only the distinct ones).

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

The square root of 160911660 is about 12685.0959791402. The cubic root of 160911660 is about 543.9126652979.

The spelling of 160911660 in words is "one hundred sixty million, nine hundred eleven thousand, six hundred sixty".