16091742 has 16 divisors (see below), whose sum is σ = 32365440. Its totient is φ = 5333592.

The previous prime is 16091731. The next prime is 16091749. The reversal of 16091742 is 24719061.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16091749) 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, 6418 + ... + 8565.

It is an arithmetic number, because the mean of its divisors is an integer number (2022840).

Almost surely, 2^16091742 is an apocalyptic number.

16091742 is an abundant number, since it is smaller than the sum of its proper divisors (16273698).

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

16091742 is a wasteful number, since it uses less digits than its factorization.

16091742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15167.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 16091742 is about 4011.4513582991. The cubic root of 16091742 is about 252.4649077134.

The spelling of 16091742 in words is "sixteen million, ninety-one thousand, seven hundred forty-two".