4618166280 has 256 divisors, whose sum is σ = 18055457280. Its totient is φ = 917028864.

The previous prime is 4618166261. The next prime is 4618166321. The reversal of 4618166280 is 826618164.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173202 + ... + 198078.

It is an arithmetic number, because the mean of its divisors is an integer number (70529130).

Almost surely, 2^4618166280 is an apocalyptic number.

4618166280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4618166280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9027728640).

4618166280 is an abundant number, since it is smaller than the sum of its proper divisors (13437291000).

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

4618166280 is a wasteful number, since it uses less digits than its factorization.

4618166280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24928 (or 24924 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 4618166280 is about 67957.0914621866. The cubic root of 4618166280 is about 1665.2899277783.

The spelling of 4618166280 in words is "four billion, six hundred eighteen million, one hundred sixty-six thousand, two hundred eighty".