16466254180 has 48 divisors (see below), whose sum is σ = 34972492464. Its totient is φ = 6512002560.

The previous prime is 16466254171. The next prime is 16466254219. The reversal of 16466254180 is 8145266461.

It can be written as a sum of positive squares in 8 ways, for example, as 519110656 + 15947143524 = 22784^2 + 126282^2 .

It is a super-2 number, since 2×16466254180² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613114 + ... + 639406.

It is an arithmetic number, because the mean of its divisors is an integer number (728593593).

Almost surely, 2^16466254180 is an apocalyptic number.

16466254180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16466254180 is an abundant number, since it is smaller than the sum of its proper divisors (18506238284).

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

16466254180 is a wasteful number, since it uses less digits than its factorization.

16466254180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26656 (or 26654 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 16466254180 in words is "sixteen billion, four hundred sixty-six million, two hundred fifty-four thousand, one hundred eighty".