159959499 has 32 divisors (see below), whose sum is σ = 259284480. Its totient is φ = 85681152.

The previous prime is 159959489. The next prime is 159959551. The reversal of 159959499 is 994959951.

It is not a de Polignac number, because 159959499 - 2⁴ = 159959483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159959489) 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 31 ways as a sum of consecutive naturals, for example, 36637 + ... + 40769.

It is an arithmetic number, because the mean of its divisors is an integer number (8102640).

Almost surely, 2^159959499 is an apocalyptic number.

159959499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

159959499 is a deficient number, since it is larger than the sum of its proper divisors (99324981).

159959499 is a wasteful number, since it uses less digits than its factorization.

159959499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259.

The product of its digits is 5904900, while the sum is 60.

The square root of 159959499 is about 12647.5095967546. The cubic root of 159959499 is about 542.8377125251.

The spelling of 159959499 in words is "one hundred fifty-nine million, nine hundred fifty-nine thousand, four hundred ninety-nine".