160747691 has 4 divisors (see below), whose sum is σ = 173112912. Its totient is φ = 148382472.

The previous prime is 160747681. The next prime is 160747703. The reversal of 160747691 is 196747061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 196747061 = 7 ⋅28106723.

It is a cyclic number.

It is not a de Polignac number, because 160747691 - 2¹⁰ = 160746667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160747651) 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 3 ways as a sum of consecutive naturals, for example, 6182591 + ... + 6182616.

It is an arithmetic number, because the mean of its divisors is an integer number (43278228).

Almost surely, 2^160747691 is an apocalyptic number.

160747691 is a deficient number, since it is larger than the sum of its proper divisors (12365221).

160747691 is a wasteful number, since it uses less digits than its factorization.

160747691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12365220.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 160747691 is about 12678.6312747078. The cubic root of 160747691 is about 543.7278534865.

The spelling of 160747691 in words is "one hundred sixty million, seven hundred forty-seven thousand, six hundred ninety-one".