196032157 has 4 divisors (see below), whose sum is σ = 196139356. Its totient is φ = 195924960.

The previous prime is 196032149. The next prime is 196032169. The reversal of 196032157 is 751230691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 751230691 = 193 ⋅3892387.

It can be written as a sum of positive squares in 2 ways, for example, as 89756676 + 106275481 = 9474^2 + 10309^2 .

It is a cyclic number.

It is not a de Polignac number, because 196032157 - 2³ = 196032149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196032857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50808 + ... + 54529.

It is an arithmetic number, because the mean of its divisors is an integer number (49034839).

Almost surely, 2^196032157 is an apocalyptic number.

It is an amenable number.

196032157 is a deficient number, since it is larger than the sum of its proper divisors (107199).

196032157 is a wasteful number, since it uses less digits than its factorization.

196032157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107198.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 196032157 is about 14001.1484171835. The cubic root of 196032157 is about 580.9103391571.

The spelling of 196032157 in words is "one hundred ninety-six million, thirty-two thousand, one hundred fifty-seven".