160565820 has 48 divisors (see below), whose sum is σ = 451254048. Its totient is φ = 42658560.

The previous prime is 160565807. The next prime is 160565843. The reversal of 160565820 is 28565061.

160565820 = 1984² + 1985² + ... + 2023².

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11790 + ... + 21450.

It is an arithmetic number, because the mean of its divisors is an integer number (9401126).

Almost surely, 2^160565820 is an apocalyptic number.

160565820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160565820 is an abundant number, since it is smaller than the sum of its proper divisors (290688228).

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

160565820 is a wasteful number, since it uses less digits than its factorization.

160565820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9950 (or 9948 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 160565820 is about 12671.4569012407. The cubic root of 160565820 is about 543.5227170071.

The spelling of 160565820 in words is "one hundred sixty million, five hundred sixty-five thousand, eight hundred twenty".