158291806933 has 8 divisors (see below), whose sum is σ = 170644398848. Its totient is φ = 145964400624.

The previous prime is 158291806919. The next prime is 158291806991. The reversal of 158291806933 is 339608192851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158291806933 is a prime.

It is a super-2 number, since 2×158291806933² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158291806133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6283341 + ... + 6308482.

It is an arithmetic number, because the mean of its divisors is an integer number (21330549856).

Almost surely, 2^158291806933 is an apocalyptic number.

158291806933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

158291806933 is a deficient number, since it is larger than the sum of its proper divisors (12352591915).

158291806933 is a wasteful number, since it uses less digits than its factorization.

158291806933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12592803.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 158291806933 in words is "one hundred fifty-eight billion, two hundred ninety-one million, eight hundred six thousand, nine hundred thirty-three".