16461880 has 32 divisors (see below), whose sum is σ = 37162800. Its totient is φ = 6562816.

The previous prime is 16461839. The next prime is 16461881. The reversal of 16461880 is 8816461.

16461880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16461881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17256 + ... + 18184.

Almost surely, 2^16461880 is an apocalyptic number.

16461880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16461880 is an abundant number, since it is smaller than the sum of its proper divisors (20700920).

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

16461880 is a wasteful number, since it uses less digits than its factorization.

16461880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383 (or 1379 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 16461880 is about 4057.3242414182. The cubic root of 16461880 is about 254.3859633224.

The spelling of 16461880 in words is "sixteen million, four hundred sixty-one thousand, eight hundred eighty".