117159651 has 12 divisors (see below), whose sum is σ = 193406512. Its totient is φ = 66948336.

The previous prime is 117159629. The next prime is 117159661. The reversal of 117159651 is 156951711.

117159651 is a `hidden beast` number, since 1 + 17 + 1 + 596 + 51 = 666.

It is not a de Polignac number, because 117159651 - 2⁶ = 117159587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117159611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 929776 + ... + 929901.

Almost surely, 2^117159651 is an apocalyptic number.

117159651 is a deficient number, since it is larger than the sum of its proper divisors (76246861).

117159651 is a wasteful number, since it uses less digits than its factorization.

117159651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859690 (or 1859687 counting only the distinct ones).

The product of its digits is 9450, while the sum is 36.

The square root of 117159651 is about 10824.0311806646. The cubic root of 117159651 is about 489.3196875776.

The spelling of 117159651 in words is "one hundred seventeen million, one hundred fifty-nine thousand, six hundred fifty-one".