16266642 has 32 divisors (see below), whose sum is σ = 38049792. Its totient is φ = 4539024.

The previous prime is 16266631. The next prime is 16266647. The reversal of 16266642 is 24666261.

16266642 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16266647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2698 + ... + 6309.

It is an arithmetic number, because the mean of its divisors is an integer number (1189056).

Almost surely, 2^16266642 is an apocalyptic number.

16266642 is an abundant number, since it is smaller than the sum of its proper divisors (21783150).

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

16266642 is a wasteful number, since it uses less digits than its factorization.

16266642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9062.

The product of its digits is 20736, while the sum is 33.

The square root of 16266642 is about 4033.1925319776. The cubic root of 16266642 is about 253.3762881148.

The spelling of 16266642 in words is "sixteen million, two hundred sixty-six thousand, six hundred forty-two".