16486140 has 48 divisors (see below), whose sum is σ = 50359680. Its totient is φ = 3996480.

The previous prime is 16486133. The next prime is 16486163. The reversal of 16486140 is 4168461.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 16486098 and 16486107.

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 15 ways as a sum of consecutive naturals, for example, 11830 + ... + 13149.

It is an arithmetic number, because the mean of its divisors is an integer number (1049160).

Almost surely, 2^16486140 is an apocalyptic number.

16486140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16486140 is an abundant number, since it is smaller than the sum of its proper divisors (33873540).

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

16486140 is a wasteful number, since it uses less digits than its factorization.

16486140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25002 (or 25000 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 16486140 is about 4060.3127958324. The cubic root of 16486140 is about 254.5108655072.

The spelling of 16486140 in words is "sixteen million, four hundred eighty-six thousand, one hundred forty".