16663130506 has 16 divisors (see below), whose sum is σ = 27269638848. Its totient is φ = 7573400800.

The previous prime is 16663130501. The next prime is 16663130507. The reversal of 16663130506 is 60503136661.

It is a super-3 number, since 3×16663130506³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16663130501) 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, 233451 + ... + 296353.

It is an arithmetic number, because the mean of its divisors is an integer number (1704352428).

Almost surely, 2^16663130506 is an apocalyptic number.

16663130506 is a deficient number, since it is larger than the sum of its proper divisors (10606508342).

16663130506 is a wasteful number, since it uses less digits than its factorization.

16663130506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74957.

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 16663130506 in words is "sixteen billion, six hundred sixty-three million, one hundred thirty thousand, five hundred six".