196681602 has 64 divisors (see below), whose sum is σ = 468115200. Its totient is φ = 54472704.

The previous prime is 196681601. The next prime is 196681621. The reversal of 196681602 is 206186691.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (196681601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27274 + ... + 33722.

It is an arithmetic number, because the mean of its divisors is an integer number (7314300).

Almost surely, 2^196681602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196681602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234057600).

196681602 is an abundant number, since it is smaller than the sum of its proper divisors (271433598).

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

196681602 is a wasteful number, since it uses less digits than its factorization.

196681602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6507.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 196681602 is about 14024.3218017842. The cubic root of 196681602 is about 581.5511412601.

The spelling of 196681602 in words is "one hundred ninety-six million, six hundred eighty-one thousand, six hundred two".