196389386460 has 48 divisors (see below), whose sum is σ = 610989204000. Its totient is φ = 52370502912.

The previous prime is 196389386449. The next prime is 196389386527. The reversal of 196389386460 is 64683983691.

196389386460 is a `hidden beast` number, since 1 + 9 + 6 + 3 + 8 + 93 + 86 + 460 = 666.

It is a super-2 number, since 2×196389386460² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181841485 + ... + 181842564.

It is an arithmetic number, because the mean of its divisors is an integer number (12728941750).

Almost surely, 2^196389386460 is an apocalyptic number.

196389386460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196389386460 is an abundant number, since it is smaller than the sum of its proper divisors (414599817540).

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

196389386460 is a wasteful number, since it uses less digits than its factorization.

196389386460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363684067 (or 363684059 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 196389386460 in words is "one hundred ninety-six billion, three hundred eighty-nine million, three hundred eighty-six thousand, four hundred sixty".