196488134900 has 72 divisors (see below), whose sum is σ = 436631663160. Its totient is φ = 76720483840.

The previous prime is 196488134897. The next prime is 196488134929. The reversal of 196488134900 is 9431884691.

It can be written as a sum of positive squares in 12 ways, for example, as 17860184164 + 178627950736 = 133642^2 + 422644^2 .

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 950006 + ... + 1138194.

It is an arithmetic number, because the mean of its divisors is an integer number (6064328655).

Almost surely, 2^196488134900 is an apocalyptic number.

196488134900 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 196488134900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218315831580).

196488134900 is an abundant number, since it is smaller than the sum of its proper divisors (240143528260).

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

196488134900 is a wasteful number, since it uses less digits than its factorization.

196488134900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188453 (or 188446 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 196488134900 in words is "one hundred ninety-six billion, four hundred eighty-eight million, one hundred thirty-four thousand, nine hundred".