159140668 has 6 divisors (see below), whose sum is σ = 278496176. Its totient is φ = 79570332.

The previous prime is 159140651. The next prime is 159140677. The reversal of 159140668 is 866041951.

It is a super-2 number, since 2×159140668² = 50651504422972448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 159140668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19892580 + ... + 19892587.

Almost surely, 2^159140668 is an apocalyptic number.

It is an amenable number.

159140668 is a deficient number, since it is larger than the sum of its proper divisors (119355508).

159140668 is a wasteful number, since it uses less digits than its factorization.

159140668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39785171 (or 39785169 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 159140668 is about 12615.0968288000. The cubic root of 159140668 is about 541.9098673212.

The spelling of 159140668 in words is "one hundred fifty-nine million, one hundred forty thousand, six hundred sixty-eight".