160681723 has 4 divisors (see below), whose sum is σ = 161389800. Its totient is φ = 159973648.

The previous prime is 160681709. The next prime is 160681753. The reversal of 160681723 is 327186061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327186061 = 19 ⋅17220319.

It is a cyclic number.

It is not a de Polignac number, because 160681723 - 2¹³ = 160673531 is a prime.

It is a super-2 number, since 2×160681723² = 51637232212497458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160681753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353698 + ... + 354151.

It is an arithmetic number, because the mean of its divisors is an integer number (40347450).

Almost surely, 2^160681723 is an apocalyptic number.

160681723 is a deficient number, since it is larger than the sum of its proper divisors (708077).

160681723 is an equidigital number, since it uses as much as digits as its factorization.

160681723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708076.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 160681723 is about 12676.0294650967. The cubic root of 160681723 is about 543.6534645553.

The spelling of 160681723 in words is "one hundred sixty million, six hundred eighty-one thousand, seven hundred twenty-three".