160980997 has 2 divisors, whose sum is σ = 160980998. Its totient is φ = 160980996.

The previous prime is 160980991. The next prime is 160981003. The reversal of 160980997 is 799089061.

It is a balanced prime because it is at equal distance from previous prime (160980991) and next prime (160981003).

It can be written as a sum of positive squares in only one way, i.e., 153412996 + 7568001 = 12386^2 + 2751^2 .

It is a cyclic number.

It is not a de Polignac number, because 160980997 - 2²³ = 152592389 is a prime.

It is a super-2 number, since 2×160980997² = 51829762790228018, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 160980997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160980991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80490498 + 80490499.

It is an arithmetic number, because the mean of its divisors is an integer number (80490499).

Almost surely, 2^160980997 is an apocalyptic number.

It is an amenable number.

160980997 is a deficient number, since it is larger than the sum of its proper divisors (1).

160980997 is an equidigital number, since it uses as much as digits as its factorization.

160980997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 160980997 is about 12687.8286952496. The cubic root of 160980997 is about 543.9907782552.

The spelling of 160980997 in words is "one hundred sixty million, nine hundred eighty thousand, nine hundred ninety-seven".