16616650713 has 48 divisors (see below), whose sum is σ = 24366956544. Its totient is φ = 10066280640.

The previous prime is 16616650711. The next prime is 16616650717. The reversal of 16616650713 is 31705661661.

It is a happy number.

It is not a de Polignac number, because 16616650713 - 2¹ = 16616650711 is a prime.

It is a super-2 number, since 2×16616650713² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16616650711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16116508 + ... + 16117538.

It is an arithmetic number, because the mean of its divisors is an integer number (507644928).

Almost surely, 2^16616650713 is an apocalyptic number.

16616650713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16616650713 is a deficient number, since it is larger than the sum of its proper divisors (7750305831).

16616650713 is a wasteful number, since it uses less digits than its factorization.

16616650713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 16616650713 in words is "sixteen billion, six hundred sixteen million, six hundred fifty thousand, seven hundred thirteen".