196623797760 has 640 divisors, whose sum is σ = 758511452160. Its totient is φ = 47990734848.

The previous prime is 196623797749. The next prime is 196623797791. The reversal of 196623797760 is 67797326691.

196623797760 is a `hidden beast` number, since 196 + 6 + 2 + 379 + 7 + 76 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114116259 + ... + 114117981.

It is an arithmetic number, because the mean of its divisors is an integer number (1185174144).

Almost surely, 2^196623797760 is an apocalyptic number.

196623797760 is a gapful number since it is divisible by the number (10) 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 196623797760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379255726080).

196623797760 is an abundant number, since it is smaller than the sum of its proper divisors (561887654400).

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

196623797760 is a wasteful number, since it uses less digits than its factorization.

196623797760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895 (or 1873 counting only the distinct ones).

The product of its (nonzero) digits is 36006768, while the sum is 63.

The spelling of 196623797760 in words is "one hundred ninety-six billion, six hundred twenty-three million, seven hundred ninety-seven thousand, seven hundred sixty".