16142666 has 16 divisors (see below), whose sum is σ = 25640160. Its totient is φ = 7601040.

The previous prime is 16142663. The next prime is 16142669. The reversal of 16142666 is 66624161.

16142666 is nontrivially palindromic in base 5.

16142666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16142663) and next prime (16142669).

It is not an unprimeable number, because it can be changed into a prime (16142663) 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, 5705 + ... + 8051.

It is an arithmetic number, because the mean of its divisors is an integer number (1602510).

Almost surely, 2^16142666 is an apocalyptic number.

16142666 is a deficient number, since it is larger than the sum of its proper divisors (9497494).

16142666 is a wasteful number, since it uses less digits than its factorization.

16142666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549.

The product of its digits is 10368, while the sum is 32.

The square root of 16142666 is about 4017.7936731495. The cubic root of 16142666 is about 252.7309444755.

The spelling of 16142666 in words is "sixteen million, one hundred forty-two thousand, six hundred sixty-six".