196509804624 has 960 divisors, whose sum is σ = 750214483200. Its totient is φ = 48771072000.

The previous prime is 196509804551. The next prime is 196509804661. The reversal of 196509804624 is 426408905691.

196509804624 is a `hidden beast` number, since 1 + 9 + 6 + 5 + 0 + 9 + 8 + 0 + 4 + 624 = 666.

It is a super-2 number, since 2×196509804624² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 280327474 + ... + 280328174.

It is an arithmetic number, because the mean of its divisors is an integer number (781473420).

Almost surely, 2^196509804624 is an apocalyptic number.

196509804624 is a gapful number since it is divisible by the number (14) 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 196509804624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375107241600).

196509804624 is an abundant number, since it is smaller than the sum of its proper divisors (553704678576).

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

196509804624 is a wasteful number, since it uses less digits than its factorization.

196509804624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 196509804624 in words is "one hundred ninety-six billion, five hundred nine million, eight hundred four thousand, six hundred twenty-four".