196379157 has 16 divisors (see below), whose sum is σ = 283203648. Its totient is φ = 120324480.

The previous prime is 196379149. The next prime is 196379171. The reversal of 196379157 is 751973691.

It is not a de Polignac number, because 196379157 - 2³ = 196379149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196379107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1719 + ... + 19892.

It is an arithmetic number, because the mean of its divisors is an integer number (17700228).

Almost surely, 2^196379157 is an apocalyptic number.

It is an amenable number.

196379157 is a deficient number, since it is larger than the sum of its proper divisors (86824491).

196379157 is a wasteful number, since it uses less digits than its factorization.

196379157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21860.

The product of its digits is 357210, while the sum is 48.

The square root of 196379157 is about 14013.5347789200. The cubic root of 196379157 is about 581.2528970141.

The spelling of 196379157 in words is "one hundred ninety-six million, three hundred seventy-nine thousand, one hundred fifty-seven".