160688987 has 8 divisors (see below), whose sum is σ = 163624656. Its totient is φ = 157773312.

The previous prime is 160688977. The next prime is 160688989. The reversal of 160688987 is 789886061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 160688987 - 2¹² = 160684891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160688989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11723 + ... + 21419.

It is an arithmetic number, because the mean of its divisors is an integer number (20453082).

Almost surely, 2^160688987 is an apocalyptic number.

160688987 is a deficient number, since it is larger than the sum of its proper divisors (2935669).

160688987 is an equidigital number, since it uses as much as digits as its factorization.

160688987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9997.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 160688987 is about 12676.3159869104. The cubic root of 160688987 is about 543.6616568151.

The spelling of 160688987 in words is "one hundred sixty million, six hundred eighty-eight thousand, nine hundred eighty-seven".