16617242 has 8 divisors (see below), whose sum is σ = 24971232. Its totient is φ = 8293500.

The previous prime is 16617239. The next prime is 16617253. The reversal of 16617242 is 24271661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16617242² = 552265463373128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6134 + ... + 8417.

It is an arithmetic number, because the mean of its divisors is an integer number (3121404).

Almost surely, 2^16617242 is an apocalyptic number.

16617242 is a deficient number, since it is larger than the sum of its proper divisors (8353990).

16617242 is a wasteful number, since it uses less digits than its factorization.

16617242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15124.

The product of its digits is 4032, while the sum is 29.

The square root of 16617242 is about 4076.4251495643. The cubic root of 16617242 is about 255.1837302056.

The spelling of 16617242 in words is "sixteen million, six hundred seventeen thousand, two hundred forty-two".