196393158 has 96 divisors (see below), whose sum is σ = 487119360. Its totient is φ = 56687040.

The previous prime is 196393117. The next prime is 196393207. The reversal of 196393158 is 851393691.

196393158 is a `hidden beast` number, since 1 + 9 + 639 + 3 + 1 + 5 + 8 = 666.

196393158 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 724563 + ... + 724833.

It is an arithmetic number, because the mean of its divisors is an integer number (5074160).

Almost surely, 2^196393158 is an apocalyptic number.

196393158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 196393158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243559680).

196393158 is an abundant number, since it is smaller than the sum of its proper divisors (290726202).

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

196393158 is a wasteful number, since it uses less digits than its factorization.

196393158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 471 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 196393158 is about 14014.0343227780. The cubic root of 196393158 is about 581.2667103070.

The spelling of 196393158 in words is "one hundred ninety-six million, three hundred ninety-three thousand, one hundred fifty-eight".