196972638670 has 16 divisors (see below), whose sum is σ = 356350503168. Its totient is φ = 78389110240.

The previous prime is 196972638661. The next prime is 196972638671. The reversal of 196972638670 is 76836279691.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196972638671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49991086 + ... + 49995025.

It is an arithmetic number, because the mean of its divisors is an integer number (22271906448).

Almost surely, 2^196972638670 is an apocalyptic number.

196972638670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196972638670 is a deficient number, since it is larger than the sum of its proper divisors (159377864498).

196972638670 is a wasteful number, since it uses less digits than its factorization.

196972638670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99986315.

The product of its (nonzero) digits is 41150592, while the sum is 64.

The spelling of 196972638670 in words is "one hundred ninety-six billion, nine hundred seventy-two million, six hundred thirty-eight thousand, six hundred seventy".