2187466680 has 64 divisors (see below), whose sum is σ = 7499888640. Its totient is φ = 499992192.

The previous prime is 2187466679. The next prime is 2187466709. The reversal of 2187466680 is 866647812.

It is a super-2 number, since 2×2187466680² = 9570020952220444800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1301224 + ... + 1302903.

It is an arithmetic number, because the mean of its divisors is an integer number (117185760).

Almost surely, 2^2187466680 is an apocalyptic number.

2187466680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2187466680 is an abundant number, since it is smaller than the sum of its proper divisors (5312421960).

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

2187466680 is a wasteful number, since it uses less digits than its factorization.

2187466680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604148 (or 2604144 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 2187466680 is about 46770.3611275346. The cubic root of 2187466680 is about 1298.1169344235.

The spelling of 2187466680 in words is "two billion, one hundred eighty-seven million, four hundred sixty-six thousand, six hundred eighty".