158089646 has 48 divisors (see below), whose sum is σ = 289935744. Its totient is φ = 64152000.

The previous prime is 158089637. The next prime is 158089661. The reversal of 158089646 is 646980851.

It is a self number, because there is not a number n which added to its sum of digits gives 158089646.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 96716 + ... + 98336.

It is an arithmetic number, because the mean of its divisors is an integer number (6040328).

Almost surely, 2^158089646 is an apocalyptic number.

158089646 is a deficient number, since it is larger than the sum of its proper divisors (131846098).

158089646 is a wasteful number, since it uses less digits than its factorization.

158089646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 158089646 is about 12573.3705107262. The cubic root of 158089646 is about 540.7142423473.

The spelling of 158089646 in words is "one hundred fifty-eight million, eighty-nine thousand, six hundred forty-six".