196111631925 has 96 divisors (see below), whose sum is σ = 405694033920. Its totient is φ = 92017080000.

The previous prime is 196111631909. The next prime is 196111631929. The reversal of 196111631925 is 529136111691.

196111631925 is a `hidden beast` number, since 1 + 9 + 6 + 1 + 1 + 1 + 631 + 9 + 2 + 5 = 666.

It is not a de Polignac number, because 196111631925 - 2⁴ = 196111631909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196111631929) 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 95 ways as a sum of consecutive naturals, for example, 195831 + ... + 656180.

It is an arithmetic number, because the mean of its divisors is an integer number (4225979520).

Almost surely, 2^196111631925 is an apocalyptic number.

196111631925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196111631925 is an abundant number, since it is smaller than the sum of its proper divisors (209582401995).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196111631925 is a wasteful number, since it uses less digits than its factorization.

196111631925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852072 (or 852061 counting only the distinct ones).

The product of its digits is 87480, while the sum is 45.

The spelling of 196111631925 in words is "one hundred ninety-six billion, one hundred eleven million, six hundred thirty-one thousand, nine hundred twenty-five".