196528669 has 2 divisors, whose sum is σ = 196528670. Its totient is φ = 196528668.

The previous prime is 196528663. The next prime is 196528681. The reversal of 196528669 is 966825691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150356644 + 46172025 = 12262^2 + 6795^2 .

It is a cyclic number.

It is not a de Polignac number, because 196528669 - 2⁵ = 196528637 is a prime.

It is a super-2 number, since 2×196528669² = 77247035477823122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196528663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98264334 + 98264335.

It is an arithmetic number, because the mean of its divisors is an integer number (98264335).

Almost surely, 2^196528669 is an apocalyptic number.

It is an amenable number.

196528669 is a deficient number, since it is larger than the sum of its proper divisors (1).

196528669 is an equidigital number, since it uses as much as digits as its factorization.

196528669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 52.

The square root of 196528669 is about 14018.8683209452. The cubic root of 196528669 is about 581.4003706380.

The spelling of 196528669 in words is "one hundred ninety-six million, five hundred twenty-eight thousand, six hundred sixty-nine".