16331006 has 4 divisors (see below), whose sum is σ = 24496512. Its totient is φ = 8165502.

The previous prime is 16330991. The next prime is 16331009. The reversal of 16331006 is 60013361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60013361 = 1987 ⋅30203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16331009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4082750 + ... + 4082753.

It is an arithmetic number, because the mean of its divisors is an integer number (6124128).

Almost surely, 2^16331006 is an apocalyptic number.

16331006 is a deficient number, since it is larger than the sum of its proper divisors (8165506).

16331006 is an equidigital number, since it uses as much as digits as its factorization.

16331006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165505.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 16331006 is about 4041.1639412427. The cubic root of 16331006 is about 253.7100355255.

Adding to 16331006 its reverse (60013361), we get a palindrome (76344367).

The spelling of 16331006 in words is "sixteen million, three hundred thirty-one thousand, six".