158688764 has 12 divisors (see below), whose sum is σ = 299067384. Its totient is φ = 73240944.

The previous prime is 158688757. The next prime is 158688767. The reversal of 158688764 is 467886851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158688767) 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 3 ways as a sum of consecutive naturals, for example, 1525802 + ... + 1525905.

It is an arithmetic number, because the mean of its divisors is an integer number (24922282).

Almost surely, 2^158688764 is an apocalyptic number.

It is an amenable number.

158688764 is a deficient number, since it is larger than the sum of its proper divisors (140378620).

158688764 is a wasteful number, since it uses less digits than its factorization.

158688764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051724 (or 3051722 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 53.

The square root of 158688764 is about 12597.1728574311. The cubic root of 158688764 is about 541.3964360112.

The spelling of 158688764 in words is "one hundred fifty-eight million, six hundred eighty-eight thousand, seven hundred sixty-four".