16016642 has 16 divisors (see below), whose sum is σ = 24969600. Its totient is φ = 7696080.

The previous prime is 16016633. The next prime is 16016647. The reversal of 16016642 is 24661061.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16016647) 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, 15209 + ... + 16227.

It is an arithmetic number, because the mean of its divisors is an integer number (1560600).

Almost surely, 2^16016642 is an apocalyptic number.

16016642 is a deficient number, since it is larger than the sum of its proper divisors (8952958).

16016642 is a wasteful number, since it uses less digits than its factorization.

16016642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 16016642 is about 4002.0797093511. The cubic root of 16016642 is about 252.0715447318.

The spelling of 16016642 in words is "sixteen million, sixteen thousand, six hundred forty-two".