16066751 has 4 divisors (see below), whose sum is σ = 17011872. Its totient is φ = 15121632.

The previous prime is 16066741. The next prime is 16066753. The reversal of 16066751 is 15766061.

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

It is a cyclic number.

It is not a de Polignac number, because 16066751 - 2¹⁴ = 16050367 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 (16066753) 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, 472535 + ... + 472568.

It is an arithmetic number, because the mean of its divisors is an integer number (4252968).

Almost surely, 2^16066751 is an apocalyptic number.

16066751 is a deficient number, since it is larger than the sum of its proper divisors (945121).

16066751 is an equidigital number, since it uses as much as digits as its factorization.

16066751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945120.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 16066751 is about 4008.3351905748. The cubic root of 16066751 is about 252.3341445858.

The spelling of 16066751 in words is "sixteen million, sixty-six thousand, seven hundred fifty-one".