4166261660 has 24 divisors (see below), whose sum is σ = 9544527216. Its totient is φ = 1515004160.

The previous prime is 4166261629. The next prime is 4166261663. The reversal of 4166261660 is 661626614.

4166261660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4166261663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9468557 + ... + 9468996.

It is an arithmetic number, because the mean of its divisors is an integer number (397688634).

Almost surely, 2^4166261660 is an apocalyptic number.

It is an amenable number.

4166261660 is an abundant number, since it is smaller than the sum of its proper divisors (5378265556).

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

4166261660 is a wasteful number, since it uses less digits than its factorization.

4166261660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18937573 (or 18937571 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 4166261660 is about 64546.5851924019. The cubic root of 4166261660 is about 1609.0968353684.

The spelling of 4166261660 in words is "four billion, one hundred sixty-six million, two hundred sixty-one thousand, six hundred sixty".