4166266650 has 192 divisors, whose sum is σ = 12978336000. Its totient is φ = 878895360.

The previous prime is 4166266613. The next prime is 4166266693. The reversal of 4166266650 is 566626614.

It is a happy number.

4166266650 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 665736 + ... + 671964.

It is an arithmetic number, because the mean of its divisors is an integer number (67595500).

Almost surely, 2^4166266650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4166266650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6489168000).

4166266650 is an abundant number, since it is smaller than the sum of its proper divisors (8812069350).

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

4166266650 is a wasteful number, since it uses less digits than its factorization.

4166266650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6278 (or 6259 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 4166266650 is about 64546.6238466428. The cubic root of 4166266650 is about 1609.0974777820.

The spelling of 4166266650 in words is "four billion, one hundred sixty-six million, two hundred sixty-six thousand, six hundred fifty".