16481866 has 16 divisors (see below), whose sum is σ = 25635456. Its totient is φ = 7942176.

The previous prime is 16481851. The next prime is 16481897. The reversal of 16481866 is 66818461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4990 + ... + 7606.

It is an arithmetic number, because the mean of its divisors is an integer number (1602216).

Almost surely, 2^16481866 is an apocalyptic number.

16481866 is a deficient number, since it is larger than the sum of its proper divisors (9153590).

16481866 is a wasteful number, since it uses less digits than its factorization.

16481866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733.

The product of its digits is 55296, while the sum is 40.

The square root of 16481866 is about 4059.7864475856. The cubic root of 16481866 is about 254.4888697893.

The spelling of 16481866 in words is "sixteen million, four hundred eighty-one thousand, eight hundred sixty-six".