16694542 has 4 divisors (see below), whose sum is σ = 25041816. Its totient is φ = 8347270.

The previous prime is 16694539. The next prime is 16694543. The reversal of 16694542 is 24549661.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×16694542³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16694543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4173634 + ... + 4173637.

It is an arithmetic number, because the mean of its divisors is an integer number (6260454).

Almost surely, 2^16694542 is an apocalyptic number.

16694542 is a deficient number, since it is larger than the sum of its proper divisors (8347274).

16694542 is an equidigital number, since it uses as much as digits as its factorization.

16694542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8347273.

The product of its digits is 51840, while the sum is 37.

The square root of 16694542 is about 4085.8954954820. The cubic root of 16694542 is about 255.5788056841.

The spelling of 16694542 in words is "sixteen million, six hundred ninety-four thousand, five hundred forty-two".