160728917399 has 16 divisors (see below), whose sum is σ = 166126572864. Its totient is φ = 155420428800.

The previous prime is 160728917389. The next prime is 160728917407. The reversal of 160728917399 is 993719827061.

It is a cyclic number.

It is not a de Polignac number, because 160728917399 - 2⁸ = 160728917143 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 (160728917359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14267429 + ... + 14278689.

It is an arithmetic number, because the mean of its divisors is an integer number (10382910804).

Almost surely, 2^160728917399 is an apocalyptic number.

160728917399 is a deficient number, since it is larger than the sum of its proper divisors (5397655465).

160728917399 is a wasteful number, since it uses less digits than its factorization.

160728917399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15178.

The product of its (nonzero) digits is 10287648, while the sum is 62.

The spelling of 160728917399 in words is "one hundred sixty billion, seven hundred twenty-eight million, nine hundred seventeen thousand, three hundred ninety-nine".