158868851 has 4 divisors (see below), whose sum is σ = 159137352. Its totient is φ = 158600352.

The previous prime is 158868833. The next prime is 158868881.

158868851 is nontrivially palindromic in base 10.

158868851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 158868851 - 2²² = 154674547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158868851.

It is not an unprimeable number, because it can be changed into a prime (158868811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133361 + ... + 134546.

It is an arithmetic number, because the mean of its divisors is an integer number (39784338).

Almost surely, 2^158868851 is an apocalyptic number.

158868851 is a deficient number, since it is larger than the sum of its proper divisors (268501).

158868851 is an equidigital number, since it uses as much as digits as its factorization.

158868851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268500.

The product of its digits is 614400, while the sum is 50.

The square root of 158868851 is about 12604.3187439861. The cubic root of 158868851 is about 541.6011587630.

The spelling of 158868851 in words is "one hundred fifty-eight million, eight hundred sixty-eight thousand, eight hundred fifty-one".