16172747 has 8 divisors (see below), whose sum is σ = 16790592. Its totient is φ = 15566400.

The previous prime is 16172707. The next prime is 16172759. The reversal of 16172747 is 74727161.

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

It is not a de Polignac number, because 16172747 - 2¹² = 16168651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16172707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47 + ... + 5687.

It is an arithmetic number, because the mean of its divisors is an integer number (2098824).

Almost surely, 2^16172747 is an apocalyptic number.

16172747 is a deficient number, since it is larger than the sum of its proper divisors (617845).

16172747 is an equidigital number, since it uses as much as digits as its factorization.

16172747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749.

The product of its digits is 16464, while the sum is 35.

The square root of 16172747 is about 4021.5354033006. The cubic root of 16172747 is about 252.8878306264.

The spelling of 16172747 in words is "sixteen million, one hundred seventy-two thousand, seven hundred forty-seven".