16006506 has 16 divisors (see below), whose sum is σ = 32419200. Its totient is φ = 5267808.

The previous prime is 16006499. The next prime is 16006513. The reversal of 16006506 is 60560061.

It is an interprime number because it is at equal distance from previous prime (16006499) and next prime (16006513).

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, 16411 + ... + 17358.

It is an arithmetic number, because the mean of its divisors is an integer number (2026200).

Almost surely, 2^16006506 is an apocalyptic number.

16006506 is an abundant number, since it is smaller than the sum of its proper divisors (16412694).

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

16006506 is a wasteful number, since it uses less digits than its factorization.

16006506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33853.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 16006506 is about 4000.8131673449. The cubic root of 16006506 is about 252.0183597105.

Adding to 16006506 its reverse (60560061), we get a palindrome (76566567).

The spelling of 16006506 in words is "sixteen million, six thousand, five hundred six".