196689791146 has 24 divisors (see below), whose sum is σ = 296589801312. Its totient is φ = 97828705800.

The previous prime is 196689791143. The next prime is 196689791147. The reversal of 196689791146 is 641197986691.

It is not an unprimeable number, because it can be changed into a prime (196689791143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242527081 + ... + 242527891.

It is an arithmetic number, because the mean of its divisors is an integer number (12357908388).

Almost surely, 2^196689791146 is an apocalyptic number.

196689791146 is a deficient number, since it is larger than the sum of its proper divisors (99900010166).

196689791146 is an frugal number, since it uses more digits than its factorization.

196689791146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298 (or 1807 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 67.

The spelling of 196689791146 in words is "one hundred ninety-six billion, six hundred eighty-nine million, seven hundred ninety-one thousand, one hundred forty-six".