16388077552 has 40 divisors (see below), whose sum is σ = 39586787712. Its totient is φ = 6384964800.

The previous prime is 16388077471. The next prime is 16388077577. The reversal of 16388077552 is 25577088361.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16388077552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6649774 + ... + 6652237.

Almost surely, 2^16388077552 is an apocalyptic number.

It is an amenable number.

16388077552 is an abundant number, since it is smaller than the sum of its proper divisors (23198710160).

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

16388077552 is a wasteful number, since it uses less digits than its factorization.

16388077552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13302037 (or 13302031 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 16388077552 in words is "sixteen billion, three hundred eighty-eight million, seventy-seven thousand, five hundred fifty-two".