196580980981 has 16 divisors (see below), whose sum is σ = 248539926528. Its totient is φ = 151022516400.

The previous prime is 196580980919. The next prime is 196580981011. The reversal of 196580980981 is 189089085691.

It is a de Polignac number, because none of the positive numbers 2^k-196580980981 is a prime.

It is a super-2 number, since 2×196580980981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196580980681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17973405 + ... + 17984338.

It is an arithmetic number, because the mean of its divisors is an integer number (15533745408).

Almost surely, 2^196580980981 is an apocalyptic number.

196580980981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

196580980981 is a deficient number, since it is larger than the sum of its proper divisors (51958945547).

196580980981 is a wasteful number, since it uses less digits than its factorization.

196580980981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35957832.

The product of its (nonzero) digits is 11197440, while the sum is 64.

The spelling of 196580980981 in words is "one hundred ninety-six billion, five hundred eighty million, nine hundred eighty thousand, nine hundred eighty-one".