160987899 has 8 divisors (see below), whose sum is σ = 215003152. Its totient is φ = 107148960.

The previous prime is 160987891. The next prime is 160987913. The reversal of 160987899 is 998789061.

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

It is not a de Polignac number, because 160987899 - 2³ = 160987891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160987891) 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, 41932 + ... + 45609.

It is an arithmetic number, because the mean of its divisors is an integer number (26875394).

Almost surely, 2^160987899 is an apocalyptic number.

160987899 is a deficient number, since it is larger than the sum of its proper divisors (54015253).

160987899 is an equidigital number, since it uses as much as digits as its factorization.

160987899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88157.

The product of its (nonzero) digits is 1959552, while the sum is 57.

The square root of 160987899 is about 12688.1006852878. The cubic root of 160987899 is about 543.9985526111.

The spelling of 160987899 in words is "one hundred sixty million, nine hundred eighty-seven thousand, eight hundred ninety-nine".