159369969 has 16 divisors (see below), whose sum is σ = 232484544. Its totient is φ = 96307200.

The previous prime is 159369961. The next prime is 159369979. The reversal of 159369969 is 969963951.

It is not a de Polignac number, because 159369969 - 2³ = 159369961 is a prime.

It is a super-2 number, since 2×159369969² = 50797574038121922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (159369961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4809 + ... + 18489.

It is an arithmetic number, because the mean of its divisors is an integer number (14530284).

Almost surely, 2^159369969 is an apocalyptic number.

It is an amenable number.

159369969 is a deficient number, since it is larger than the sum of its proper divisors (73114575).

159369969 is a wasteful number, since it uses less digits than its factorization.

159369969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14048.

The product of its digits is 3542940, while the sum is 57.

The square root of 159369969 is about 12624.1819140885. The cubic root of 159369969 is about 542.1700162882.

The spelling of 159369969 in words is "one hundred fifty-nine million, three hundred sixty-nine thousand, nine hundred sixty-nine".