4191661914 has 96 divisors (see below), whose sum is σ = 9581362560. Its totient is φ = 1220123520.

The previous prime is 4191661913. The next prime is 4191661919.

4191661914 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (4191661913) 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, 5536824 + ... + 5537580.

It is an arithmetic number, because the mean of its divisors is an integer number (99805860).

Almost surely, 2^4191661914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4191661914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4790681280).

4191661914 is an abundant number, since it is smaller than the sum of its proper divisors (5389700646).

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

4191661914 is a wasteful number, since it uses less digits than its factorization.

4191661914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1065 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 4191661914 is about 64743.0452944561. The cubic root of 4191661914 is about 1612.3602476804.

The spelling of 4191661914 in words is "four billion, one hundred ninety-one million, six hundred sixty-one thousand, nine hundred fourteen".