196912071 has 12 divisors (see below), whose sum is σ = 301159872. Its totient is φ = 123552576.

The previous prime is 196912063. The next prime is 196912073. The reversal of 196912071 is 170219691.

It is not a de Polignac number, because 196912071 - 2³ = 196912063 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196912073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643351 + ... + 643656.

It is an arithmetic number, because the mean of its divisors is an integer number (25096656).

Almost surely, 2^196912071 is an apocalyptic number.

196912071 is a deficient number, since it is larger than the sum of its proper divisors (104247801).

196912071 is a wasteful number, since it uses less digits than its factorization.

196912071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287030 (or 1287027 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 36.

The square root of 196912071 is about 14032.5361570886. The cubic root of 196912071 is about 581.7782040040.

The spelling of 196912071 in words is "one hundred ninety-six million, nine hundred twelve thousand, seventy-one".