16087276388 has 12 divisors (see below), whose sum is σ = 28161639660. Its totient is φ = 8041093632.

The previous prime is 16087276379. The next prime is 16087276391. The reversal of 16087276388 is 88367278061.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11246178304 + 4841098084 = 106048^2 + 69578^2 .

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 3 ways as a sum of consecutive naturals, for example, 621881 + ... + 647232.

It is an arithmetic number, because the mean of its divisors is an integer number (2346803305).

Almost surely, 2^16087276388 is an apocalyptic number.

It is an amenable number.

16087276388 is a deficient number, since it is larger than the sum of its proper divisors (12074363272).

16087276388 is a wasteful number, since it uses less digits than its factorization.

16087276388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272286 (or 1272284 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 16087276388 in words is "sixteen billion, eighty-seven million, two hundred seventy-six thousand, three hundred eighty-eight".