158863951 has 2 divisors, whose sum is σ = 158863952. Its totient is φ = 158863950.

The previous prime is 158863879. The next prime is 158863961. The reversal of 158863951 is 159368851.

It is a strong prime.

It is an emirp because it is prime and its reverse (159368851) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158863951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158863961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79431975 + 79431976.

It is an arithmetic number, because the mean of its divisors is an integer number (79431976).

Almost surely, 2^158863951 is an apocalyptic number.

158863951 is a deficient number, since it is larger than the sum of its proper divisors (1).

158863951 is an equidigital number, since it uses as much as digits as its factorization.

158863951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 46.

The square root of 158863951 is about 12604.1243646673. The cubic root of 158863951 is about 541.5955904951.

The spelling of 158863951 in words is "one hundred fifty-eight million, eight hundred sixty-three thousand, nine hundred fifty-one".