16219982 has 8 divisors (see below), whose sum is σ = 24847776. Its totient is φ = 7937392.

The previous prime is 16219981. The next prime is 16220069. The reversal of 16219982 is 28991261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16219981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86183 + ... + 86370.

It is an arithmetic number, because the mean of its divisors is an integer number (3105972).

Almost surely, 2^16219982 is an apocalyptic number.

16219982 is a deficient number, since it is larger than the sum of its proper divisors (8627794).

16219982 is a wasteful number, since it uses less digits than its factorization.

16219982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172602.

The product of its digits is 15552, while the sum is 38.

The square root of 16219982 is about 4027.4038784309. The cubic root of 16219982 is about 253.1337906209.

The spelling of 16219982 in words is "sixteen million, two hundred nineteen thousand, nine hundred eighty-two".