16627876666644 has 24 divisors (see below), whose sum is σ = 39182521256928. Its totient is φ = 5487748074400.

The previous prime is 16627876666631. The next prime is 16627876666699. The reversal of 16627876666644 is 44666667872661.

It is a super-2 number, since 2×16627876666644² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6859683882 + ... + 6859686305.

It is an arithmetic number, because the mean of its divisors is an integer number (1632605052372).

Almost surely, 2^{16627876666644} is an apocalyptic number.

It is an amenable number.

16627876666644 is an abundant number, since it is smaller than the sum of its proper divisors (22554644590284).

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

16627876666644 is a wasteful number, since it uses less digits than its factorization.

16627876666644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13719370295 (or 13719370293 counting only the distinct ones).

The product of its digits is 3511517184, while the sum is 75.

The spelling of 16627876666644 in words is "sixteen trillion, six hundred twenty-seven billion, eight hundred seventy-six million, six hundred sixty-six thousand, six hundred forty-four".