160409866 has 16 divisors (see below), whose sum is σ = 256918464. Its totient is φ = 74932704.

The previous prime is 160409863. The next prime is 160409923. The reversal of 160409866 is 668904061.

It is a super-2 number, since 2×160409866² = 51462650220275912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (160409861) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38571 + ... + 42526.

It is an arithmetic number, because the mean of its divisors is an integer number (16057404).

Almost surely, 2^160409866 is an apocalyptic number.

160409866 is a deficient number, since it is larger than the sum of its proper divisors (96508598).

160409866 is a wasteful number, since it uses less digits than its factorization.

160409866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81165.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 160409866 is about 12665.3016545205. The cubic root of 160409866 is about 543.3466895065.

The spelling of 160409866 in words is "one hundred sixty million, four hundred nine thousand, eight hundred sixty-six".