16066542 has 8 divisors (see below), whose sum is σ = 32133096. Its totient is φ = 5355512.

The previous prime is 16066541. The next prime is 16066543. The reversal of 16066542 is 24566061.

It is an interprime number because it is at equal distance from previous prime (16066541) and next prime (16066543).

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

16066542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16066541) 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, 1338873 + ... + 1338884.

It is an arithmetic number, because the mean of its divisors is an integer number (4016637).

Almost surely, 2^16066542 is an apocalyptic number.

16066542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16066542 is a wasteful number, since it uses less digits than its factorization.

16066542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677762.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 16066542 is about 4008.3091198160. The cubic root of 16066542 is about 252.3330504408. Note that the first 3 decimals are identical.

The spelling of 16066542 in words is "sixteen million, sixty-six thousand, five hundred forty-two".