16672887 has 48 divisors (see below), whose sum is σ = 30700800. Its totient is φ = 8643600.

The previous prime is 16672867. The next prime is 16672897. The reversal of 16672887 is 78827661.

It is not a de Polignac number, because 16672887 - 2⁷ = 16672759 is a prime.

Its product of digits (225792) is a multiple of the sum of its prime divisors (512).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16672807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33712 + ... + 34202.

It is an arithmetic number, because the mean of its divisors is an integer number (639600).

Almost surely, 2^16672887 is an apocalyptic number.

16672887 is a deficient number, since it is larger than the sum of its proper divisors (14027913).

16672887 is a wasteful number, since it uses less digits than its factorization.

16672887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 512 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 16672887 is about 4083.2446657040. The cubic root of 16672887 is about 255.4682515126.

It can be divided in two parts, 1667 and 2887, that added together give a palindrome (4554).

The spelling of 16672887 in words is "sixteen million, six hundred seventy-two thousand, eight hundred eighty-seven".