4681661094 has 72 divisors (see below), whose sum is σ = 11254337640. Its totient is φ = 1405356480.

The previous prime is 4681661057. The next prime is 4681661147. The reversal of 4681661094 is 4901661864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 223002 + ... + 243090.

It is an arithmetic number, because the mean of its divisors is an integer number (156310245).

Almost surely, 2^4681661094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4681661094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5627168820).

4681661094 is an abundant number, since it is smaller than the sum of its proper divisors (6572676546).

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

4681661094 is a wasteful number, since it uses less digits than its factorization.

4681661094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20226 (or 20212 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 4681661094 is about 68422.6650606362. The cubic root of 4681661094 is about 1672.8871965118.

The spelling of 4681661094 in words is "four billion, six hundred eighty-one million, six hundred sixty-one thousand, ninety-four".