276164220 has 96 divisors (see below), whose sum is σ = 810819072. Its totient is φ = 70098688.

The previous prime is 276164219. The next prime is 276164257. The reversal of 276164220 is 22461672.

276164220 is digitally balanced in base 3, because in such base 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 (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403999 + ... + 404681.

It is an arithmetic number, because the mean of its divisors is an integer number (8446032).

Almost surely, 2^276164220 is an apocalyptic number.

276164220 is a gapful number since it is divisible by the number (20) 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 276164220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405409536).

276164220 is an abundant number, since it is smaller than the sum of its proper divisors (534654852).

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

276164220 is a wasteful number, since it uses less digits than its factorization.

276164220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 276164220 is about 16618.1894320651. The cubic root of 276164220 is about 651.2121130131.

The spelling of 276164220 in words is "two hundred seventy-six million, one hundred sixty-four thousand, two hundred twenty".