160688977 has 2 divisors, whose sum is σ = 160688978. Its totient is φ = 160688976.

The previous prime is 160688953. The next prime is 160688989. The reversal of 160688977 is 779886061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80568576 + 80120401 = 8976^2 + 8951^2 .

It is an emirp because it is prime and its reverse (779886061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160688977 - 2⁷ = 160688849 is a prime.

It is not a weakly prime, because it can be changed into another prime (160688917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80344488 + 80344489.

It is an arithmetic number, because the mean of its divisors is an integer number (80344489).

Almost surely, 2^160688977 is an apocalyptic number.

It is an amenable number.

160688977 is a deficient number, since it is larger than the sum of its proper divisors (1).

160688977 is an equidigital number, since it uses as much as digits as its factorization.

160688977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 160688977 is about 12676.3155924740. The cubic root of 160688977 is about 543.6616455374.

The spelling of 160688977 in words is "one hundred sixty million, six hundred eighty-eight thousand, nine hundred seventy-seven".