4129191066 has 96 divisors (see below), whose sum is σ = 11172357504. Its totient is φ = 990000000.

The previous prime is 4129191019. The next prime is 4129191067. The reversal of 4129191066 is 6601919214.

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 (4129191067) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34816 + ... + 97316.

It is an arithmetic number, because the mean of its divisors is an integer number (116378724).

Almost surely, 2^4129191066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4129191066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5586178752).

4129191066 is an abundant number, since it is smaller than the sum of its proper divisors (7043166438).

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

4129191066 is a wasteful number, since it uses less digits than its factorization.

4129191066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62548 (or 62537 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 4129191066 is about 64258.7820146009. The cubic root of 4129191066 is about 1604.3101321849.

The spelling of 4129191066 in words is "four billion, one hundred twenty-nine million, one hundred ninety-one thousand, sixty-six".