16626652664039 has 8 divisors (see below), whose sum is σ = 18138229292160. Its totient is φ = 15115086494200.

The previous prime is 16626652664009. The next prime is 16626652664081. The reversal of 16626652664039 is 93046625662661.

It is a happy number.

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

It is not a de Polignac number, because 16626652664039 - 2¹² = 16626652659943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16626652664009) 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, 916982 + ... + 5839020.

It is an arithmetic number, because the mean of its divisors is an integer number (2267278661520).

Almost surely, 2^{16626652664039} is an apocalyptic number.

16626652664039 is a deficient number, since it is larger than the sum of its proper divisors (1511576628121).

16626652664039 is a wasteful number, since it uses less digits than its factorization.

16626652664039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229141.

The product of its (nonzero) digits is 100776960, while the sum is 62.

The spelling of 16626652664039 in words is "sixteen trillion, six hundred twenty-six billion, six hundred fifty-two million, six hundred sixty-four thousand, thirty-nine".