158403936194 has 8 divisors (see below), whose sum is σ = 271549604928. Its totient is φ = 67887401220.

The previous prime is 158403936193. The next prime is 158403936221. The reversal of 158403936194 is 491639304851.

158403936194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (158403936193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5657283422 + ... + 5657283449.

It is an arithmetic number, because the mean of its divisors is an integer number (33943700616).

Almost surely, 2^158403936194 is an apocalyptic number.

158403936194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

158403936194 is a deficient number, since it is larger than the sum of its proper divisors (113145668734).

158403936194 is a wasteful number, since it uses less digits than its factorization.

158403936194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11314566880.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 158403936194 in words is "one hundred fifty-eight billion, four hundred three million, nine hundred thirty-six thousand, one hundred ninety-four".