196366128 has 80 divisors (see below), whose sum is σ = 591628800. Its totient is φ = 56099904.

The previous prime is 196366127. The next prime is 196366139. The reversal of 196366128 is 821663691.

196366128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 196366128.

It is not an unprimeable number, because it can be changed into a prime (196366127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10501 + ... + 22427.

It is an arithmetic number, because the mean of its divisors is an integer number (7395360).

Almost surely, 2^196366128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196366128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295814400).

196366128 is an abundant number, since it is smaller than the sum of its proper divisors (395262672).

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

196366128 is a wasteful number, since it uses less digits than its factorization.

196366128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11959 (or 11939 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 196366128 is about 14013.0698992048. The cubic root of 196366128 is about 581.2400421002.

The spelling of 196366128 in words is "one hundred ninety-six million, three hundred sixty-six thousand, one hundred twenty-eight".