16612126644 has 12 divisors (see below), whose sum is σ = 38761628864. Its totient is φ = 5537375544.

The previous prime is 16612126639. The next prime is 16612126651. The reversal of 16612126644 is 44662121661.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 692171932 + ... + 692171955.

Almost surely, 2^16612126644 is an apocalyptic number.

It is an amenable number.

16612126644 is an abundant number, since it is smaller than the sum of its proper divisors (22149502220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16612126644 is a wasteful number, since it uses less digits than its factorization.

16612126644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384343894 (or 1384343892 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The spelling of 16612126644 in words is "sixteen billion, six hundred twelve million, one hundred twenty-six thousand, six hundred forty-four".