160997598 has 16 divisors (see below), whose sum is σ = 357772560. Its totient is φ = 53665848.

The previous prime is 160997597. The next prime is 160997671. The reversal of 160997598 is 895799061.

160997598 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 2981437 = 160997598 / (1 + 6 + 0 + 9 + 9 + 7 + 5 + 9 + 8).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160997597) 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 7 ways as a sum of consecutive naturals, for example, 1490665 + ... + 1490772.

It is an arithmetic number, because the mean of its divisors is an integer number (22360785).

Almost surely, 2^160997598 is an apocalyptic number.

160997598 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

160997598 is an abundant number, since it is smaller than the sum of its proper divisors (196774962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

160997598 is a wasteful number, since it uses less digits than its factorization.

160997598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981448 (or 2981442 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The square root of 160997598 is about 12688.4828880367. The cubic root of 160997598 is about 544.0094771093.

The spelling of 160997598 in words is "one hundred sixty million, nine hundred ninety-seven thousand, five hundred ninety-eight".