196160478780 has 384 divisors, whose sum is σ = 663988469760. Its totient is φ = 42330055680.

The previous prime is 196160478779. The next prime is 196160478791. The reversal of 196160478780 is 87874061691.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 196160478780.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 95084029 + ... + 95086091.

It is an arithmetic number, because the mean of its divisors is an integer number (1729136640).

Almost surely, 2^196160478780 is an apocalyptic number.

196160478780 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 196160478780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331994234880).

196160478780 is an abundant number, since it is smaller than the sum of its proper divisors (467827990980).

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

196160478780 is a wasteful number, since it uses less digits than its factorization.

196160478780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289 (or 2287 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 196160478780 in words is "one hundred ninety-six billion, one hundred sixty million, four hundred seventy-eight thousand, seven hundred eighty".