196685455512 has 512 divisors, whose sum is σ = 660441600000. Its totient is φ = 48382709760.

The previous prime is 196685455511. The next prime is 196685455513. The reversal of 196685455512 is 215554586691.

It is an interprime number because it is at equal distance from previous prime (196685455511) and next prime (196685455513).

It is a super-3 number, since 3×196685455512³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196685455511) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 100915114 + ... + 100917062.

It is an arithmetic number, because the mean of its divisors is an integer number (1289925000).

Almost surely, 2^196685455512 is an apocalyptic number.

196685455512 is a gapful number since it is divisible by the number (12) 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 196685455512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330220800000).

196685455512 is an abundant number, since it is smaller than the sum of its proper divisors (463756144488).

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

196685455512 is a wasteful number, since it uses less digits than its factorization.

196685455512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056 (or 2038 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 57.

The spelling of 196685455512 in words is "one hundred ninety-six billion, six hundred eighty-five million, four hundred fifty-five thousand, five hundred twelve".