16487309268 has 30 divisors (see below), whose sum is σ = 43101084026. Its totient is φ = 5495769648.

The previous prime is 16487309227. The next prime is 16487309273. The reversal of 16487309268 is 86290378461.

16487309268 is a `hidden beast` number, since 16 + 487 + 3 + 0 + 92 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9311864004 + 7175445264 = 96498^2 + 84708^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25443055 + ... + 25443702.

Almost surely, 2^16487309268 is an apocalyptic number.

16487309268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16487309268 is an abundant number, since it is smaller than the sum of its proper divisors (26613774758).

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

16487309268 is a wasteful number, since it uses less digits than its factorization.

16487309268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50886773 (or 50886762 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 16487309268 in words is "sixteen billion, four hundred eighty-seven million, three hundred nine thousand, two hundred sixty-eight".