16655007 has 4 divisors (see below), whose sum is σ = 22206680. Its totient is φ = 11103336.

The previous prime is 16654993. The next prime is 16655011. The reversal of 16655007 is 70055661.

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

It is not a de Polignac number, because 16655007 - 2⁴ = 16654991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16655027) 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, 2775832 + ... + 2775837.

It is an arithmetic number, because the mean of its divisors is an integer number (5551670).

Almost surely, 2^16655007 is an apocalyptic number.

16655007 is a deficient number, since it is larger than the sum of its proper divisors (5551673).

16655007 is an equidigital number, since it uses as much as digits as its factorization.

16655007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551672.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 16655007 is about 4081.0546431039. The cubic root of 16655007 is about 255.3768974851.

The spelling of 16655007 in words is "sixteen million, six hundred fifty-five thousand, seven".