158663934 has 112 divisors (see below), whose sum is σ = 419764464. Its totient is φ = 44323200.

The previous prime is 158663929. The next prime is 158663951. The reversal of 158663934 is 439366851.

158663934 is a `hidden beast` number, since 1 + 5 + 8 + 6 + 639 + 3 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 158663934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 208114 + ... + 208874.

It is an arithmetic number, because the mean of its divisors is an integer number (3747897).

Almost surely, 2^158663934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158663934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209882232).

158663934 is an abundant number, since it is smaller than the sum of its proper divisors (261100530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158663934 is a wasteful number, since it uses less digits than its factorization.

158663934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 790 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 158663934 is about 12596.1872802845. The cubic root of 158663934 is about 541.3681971400.

The spelling of 158663934 in words is "one hundred fifty-eight million, six hundred sixty-three thousand, nine hundred thirty-four".