196849487616 has 72 divisors (see below), whose sum is σ = 524313299664. Its totient is φ = 65565573120.

The previous prime is 196849487609. The next prime is 196849487621. The reversal of 196849487616 is 616784948691.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 897286 + ... + 1094906.

It is an arithmetic number, because the mean of its divisors is an integer number (7282129162).

Almost surely, 2^196849487616 is an apocalyptic number.

196849487616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196849487616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262156649832).

196849487616 is an abundant number, since it is smaller than the sum of its proper divisors (327463812048).

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

196849487616 is a wasteful number, since it uses less digits than its factorization.

196849487616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198937 (or 198923 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 69.

The spelling of 196849487616 in words is "one hundred ninety-six billion, eight hundred forty-nine million, four hundred eighty-seven thousand, six hundred sixteen".