196260157 has 2 divisors, whose sum is σ = 196260158. Its totient is φ = 196260156.

The previous prime is 196260143. The next prime is 196260187. The reversal of 196260157 is 751062691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190826596 + 5433561 = 13814^2 + 2331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196260157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196260107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98130078 + 98130079.

It is an arithmetic number, because the mean of its divisors is an integer number (98130079).

Almost surely, 2^196260157 is an apocalyptic number.

It is an amenable number.

196260157 is a deficient number, since it is larger than the sum of its proper divisors (1).

196260157 is an equidigital number, since it uses as much as digits as its factorization.

196260157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 196260157 is about 14009.2882403069. The cubic root of 196260157 is about 581.1354658977.

The spelling of 196260157 in words is "one hundred ninety-six million, two hundred sixty thousand, one hundred fifty-seven".