16471982 has 4 divisors (see below), whose sum is σ = 24707976. Its totient is φ = 8235990.

The previous prime is 16471957. The next prime is 16472003. The reversal of 16471982 is 28917461.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 4117994 + ... + 4117997.

It is an arithmetic number, because the mean of its divisors is an integer number (6176994).

Almost surely, 2^16471982 is an apocalyptic number.

16471982 is a deficient number, since it is larger than the sum of its proper divisors (8235994).

16471982 is an equidigital number, since it uses as much as digits as its factorization.

16471982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8235993.

The product of its digits is 24192, while the sum is 38.

The square root of 16471982 is about 4058.5689596211. The cubic root of 16471982 is about 254.4379881928.

The spelling of 16471982 in words is "sixteen million, four hundred seventy-one thousand, nine hundred eighty-two".