160771640 has 32 divisors (see below), whose sum is σ = 362227680. Its totient is φ = 64221312.

The previous prime is 160771609. The next prime is 160771687. The reversal of 160771640 is 46177061.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 160771597 and 160771606.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 32789 + ... + 37371.

It is an arithmetic number, because the mean of its divisors is an integer number (11319615).

Almost surely, 2^160771640 is an apocalyptic number.

160771640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160771640 is an abundant number, since it is smaller than the sum of its proper divisors (201456040).

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

160771640 is a wasteful number, since it uses less digits than its factorization.

160771640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471 (or 5467 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 160771640 is about 12679.5757026803. The cubic root of 160771640 is about 543.7548545830.

The spelling of 160771640 in words is "one hundred sixty million, seven hundred seventy-one thousand, six hundred forty".