16261880 has 16 divisors (see below), whose sum is σ = 36589320. Its totient is φ = 6504736.

The previous prime is 16261873. The next prime is 16261901. The reversal of 16261880 is 8816261.

16261880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16261880² = 528897482268800, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203234 + ... + 203313.

Almost surely, 2^16261880 is an apocalyptic number.

16261880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16261880 is an abundant number, since it is smaller than the sum of its proper divisors (20327440).

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

16261880 is a wasteful number, since it uses less digits than its factorization.

16261880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406558 (or 406554 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 16261880 is about 4032.6021375782. The cubic root of 16261880 is about 253.3515607076.

The spelling of 16261880 in words is "sixteen million, two hundred sixty-one thousand, eight hundred eighty".