3946019166 has 48 divisors (see below), whose sum is σ = 8966084400. Its totient is φ = 1300546368.

The previous prime is 3946019149. The next prime is 3946019221. The reversal of 3946019166 is 6619106493.

3946019166 is a `hidden beast` number, since 39 + 4 + 601 + 9 + 1 + 6 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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, 2361 + ... + 88868.

It is an arithmetic number, because the mean of its divisors is an integer number (186793425).

Almost surely, 2^3946019166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3946019166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4483042200).

3946019166 is an abundant number, since it is smaller than the sum of its proper divisors (5020065234).

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

3946019166 is an equidigital number, since it uses as much as digits as its factorization.

3946019166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91335 (or 91323 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 3946019166 is about 62817.3476517435. The cubic root of 3946019166 is about 1580.2279175028.

The spelling of 3946019166 in words is "three billion, nine hundred forty-six million, nineteen thousand, one hundred sixty-six".