196066931 has 2 divisors, whose sum is σ = 196066932. Its totient is φ = 196066930.

The previous prime is 196066919. The next prime is 196066943. The reversal of 196066931 is 139660691.

It is a balanced prime because it is at equal distance from previous prime (196066919) and next prime (196066943).

It is a cyclic number.

It is not a de Polignac number, because 196066931 - 2¹⁸ = 195804787 is a prime.

It is a super-2 number, since 2×196066931² = 76884482863517522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (196066951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98033465 + 98033466.

It is an arithmetic number, because the mean of its divisors is an integer number (98033466).

Almost surely, 2^196066931 is an apocalyptic number.

196066931 is a deficient number, since it is larger than the sum of its proper divisors (1).

196066931 is an equidigital number, since it uses as much as digits as its factorization.

196066931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 196066931 is about 14002.3901888213. The cubic root of 196066931 is about 580.9446862120.

The spelling of 196066931 in words is "one hundred ninety-six million, sixty-six thousand, nine hundred thirty-one".