158196195 has 24 divisors (see below), whose sum is σ = 275522832. Its totient is φ = 83966400.

The previous prime is 158196191. The next prime is 158196211. The reversal of 158196195 is 591691851.

158196195 is a `hidden beast` number, since 1 + 581 + 9 + 61 + 9 + 5 = 666.

It is not a de Polignac number, because 158196195 - 2² = 158196191 is a prime.

It is a super-2 number, since 2×158196195² = 50052072224956050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 158196195.

It is not an unprimeable number, because it can be changed into a prime (158196191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1165 + ... + 17825.

It is an arithmetic number, because the mean of its divisors is an integer number (11480118).

Almost surely, 2^158196195 is an apocalyptic number.

158196195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158196195 is a deficient number, since it is larger than the sum of its proper divisors (117326637).

158196195 is a wasteful number, since it uses less digits than its factorization.

158196195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16883 (or 16880 counting only the distinct ones).

The product of its digits is 97200, while the sum is 45.

The square root of 158196195 is about 12577.6068868446. The cubic root of 158196195 is about 540.8356916323.

The spelling of 158196195 in words is "one hundred fifty-eight million, one hundred ninety-six thousand, one hundred ninety-five".