196669547 has 2 divisors, whose sum is σ = 196669548. Its totient is φ = 196669546.

The previous prime is 196669489. The next prime is 196669553. The reversal of 196669547 is 745966691.

It is a strong prime.

It is an emirp because it is prime and its reverse (745966691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196669547 - 2⁶ = 196669483 is a prime.

It is not a weakly prime, because it can be changed into another prime (196669147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98334773 + 98334774.

It is an arithmetic number, because the mean of its divisors is an integer number (98334774).

Almost surely, 2^196669547 is an apocalyptic number.

196669547 is a deficient number, since it is larger than the sum of its proper divisors (1).

196669547 is an equidigital number, since it uses as much as digits as its factorization.

196669547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 53.

The square root of 196669547 is about 14023.8920061444. The cubic root of 196669547 is about 581.5392595484.

The spelling of 196669547 in words is "one hundred ninety-six million, six hundred sixty-nine thousand, five hundred forty-seven".