158596641 has 12 divisors (see below), whose sum is σ = 261810432. Its totient is φ = 90626616.

The previous prime is 158596601. The next prime is 158596657. The reversal of 158596641 is 146695851.

158596641 is a `hidden beast` number, since 1 + 58 + 596 + 6 + 4 + 1 = 666.

It is not a de Polignac number, because 158596641 - 2⁹ = 158596129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158596601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1258641 + ... + 1258766.

It is an arithmetic number, because the mean of its divisors is an integer number (21817536).

Almost surely, 2^158596641 is an apocalyptic number.

It is an amenable number.

158596641 is a deficient number, since it is larger than the sum of its proper divisors (103213791).

158596641 is a wasteful number, since it uses less digits than its factorization.

158596641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517420 (or 2517417 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 158596641 is about 12593.5158315698. The cubic root of 158596641 is about 541.2916507762.

It can be divided in two parts, 15859 and 6641, that added together give a square (22500 = 150²).

The spelling of 158596641 in words is "one hundred fifty-eight million, five hundred ninety-six thousand, six hundred forty-one".