16611530242 has 8 divisors (see below), whose sum is σ = 24937573500. Its totient is φ = 8299005744.

The previous prime is 16611530237. The next prime is 16611530267. The reversal of 16611530242 is 24203511661.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15895914241 + 715616001 = 126079^2 + 26751^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3376617 + ... + 3381532.

Almost surely, 2^16611530242 is an apocalyptic number.

16611530242 is a deficient number, since it is larger than the sum of its proper divisors (8326043258).

16611530242 is a wasteful number, since it uses less digits than its factorization.

16611530242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6759380.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 16611530242 in words is "sixteen billion, six hundred eleven million, five hundred thirty thousand, two hundred forty-two".