160640366 has 4 divisors (see below), whose sum is σ = 240960552. Its totient is φ = 80320182.

The previous prime is 160640353. The next prime is 160640377. The reversal of 160640366 is 663046061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 663046061 = 47 ⋅14107363.

It is a super-2 number, since 2×160640366² = 51610654377227912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40160090 + ... + 40160093.

It is an arithmetic number, because the mean of its divisors is an integer number (60240138).

Almost surely, 2^160640366 is an apocalyptic number.

160640366 is a deficient number, since it is larger than the sum of its proper divisors (80320186).

160640366 is an equidigital number, since it uses as much as digits as its factorization.

160640366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80320185.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 160640366 is about 12674.3980527676. The cubic root of 160640366 is about 543.6068178777.

The spelling of 160640366 in words is "one hundred sixty million, six hundred forty thousand, three hundred sixty-six".