160724661 has 8 divisors (see below), whose sum is σ = 215738400. Its totient is φ = 106430352.

The previous prime is 160724657. The next prime is 160724687. The reversal of 160724661 is 166427061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 160724661 - 2² = 160724657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160724651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179335 + ... + 180228.

It is an arithmetic number, because the mean of its divisors is an integer number (26967300).

Almost surely, 2^160724661 is an apocalyptic number.

It is an amenable number.

160724661 is a deficient number, since it is larger than the sum of its proper divisors (55013739).

160724661 is a wasteful number, since it uses less digits than its factorization.

160724661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359715.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 160724661 is about 12677.7230211107. The cubic root of 160724661 is about 543.7018859792.

The spelling of 160724661 in words is "one hundred sixty million, seven hundred twenty-four thousand, six hundred sixty-one".