34172143866 has 128 divisors (see below), whose sum is σ = 88323840000. Its totient is φ = 9591322752.

The previous prime is 34172143849. The next prime is 34172143883. The reversal of 34172143866 is 66834127143.

34172143866 is a `hidden beast` number, since 341 + 7 + 214 + 38 + 66 = 666.

It is an interprime number because it is at equal distance from previous prime (34172143849) and next prime (34172143883).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10356685 + ... + 10359983.

It is an arithmetic number, because the mean of its divisors is an integer number (690030000).

Almost surely, 2^34172143866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34172143866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44161920000).

34172143866 is an abundant number, since it is smaller than the sum of its proper divisors (54151696134).

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

34172143866 is a wasteful number, since it uses less digits than its factorization.

34172143866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793 (or 3787 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The spelling of 34172143866 in words is "thirty-four billion, one hundred seventy-two million, one hundred forty-three thousand, eight hundred sixty-six".