16066007 has 4 divisors (see below), whose sum is σ = 16081800. Its totient is φ = 16050216.

The previous prime is 16065979. The next prime is 16066009. The reversal of 16066007 is 70066061.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16066007 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 (16066009) 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, 6257 + ... + 8442.

It is an arithmetic number, because the mean of its divisors is an integer number (4020450).

Almost surely, 2^16066007 is an apocalyptic number.

16066007 is a deficient number, since it is larger than the sum of its proper divisors (15793).

16066007 is a wasteful number, since it uses less digits than its factorization.

16066007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15792.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 16066007 is about 4008.2423828905. The cubic root of 16066007 is about 252.3302495958.

The spelling of 16066007 in words is "sixteen million, sixty-six thousand, seven".