4012422020166 has 64 divisors (see below), whose sum is σ = 9297094809600. Its totient is φ = 1130706210816.

The previous prime is 4012422020161. The next prime is 4012422020197. The reversal of 4012422020166 is 6610202242104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012422020161) 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, 2527590 + ... + 3796518.

It is an arithmetic number, because the mean of its divisors is an integer number (145267106400).

Almost surely, 2^{4012422020166} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4012422020166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4648547404800).

4012422020166 is an abundant number, since it is smaller than the sum of its proper divisors (5284672789434).

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

4012422020166 is a wasteful number, since it uses less digits than its factorization.

4012422020166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269973.

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 4012422020166 in words is "four trillion, twelve billion, four hundred twenty-two million, twenty thousand, one hundred sixty-six".