160998727 has 4 divisors (see below), whose sum is σ = 162503496. Its totient is φ = 159493960.

The previous prime is 160998713. The next prime is 160998743. The reversal of 160998727 is 727899061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727899061 = 353 ⋅2062037.

It is a cyclic number.

It is not a de Polignac number, because 160998727 - 2⁷ = 160998599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160998707) 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, 752224 + ... + 752437.

It is an arithmetic number, because the mean of its divisors is an integer number (40625874).

Almost surely, 2^160998727 is an apocalyptic number.

160998727 is a deficient number, since it is larger than the sum of its proper divisors (1504769).

160998727 is a wasteful number, since it uses less digits than its factorization.

160998727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504768.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 160998727 is about 12688.5273771230. The cubic root of 160998727 is about 544.0107487333.

The spelling of 160998727 in words is "one hundred sixty million, nine hundred ninety-eight thousand, seven hundred twenty-seven".