16291086486 has 16 divisors (see below), whose sum is σ = 32904769968. Its totient is φ = 5376596000.

The previous prime is 16291086437. The next prime is 16291086503. The reversal of 16291086486 is 68468019261.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 13440885 + ... + 13442096.

It is an arithmetic number, because the mean of its divisors is an integer number (2056548123).

Almost surely, 2^16291086486 is an apocalyptic number.

16291086486 is an abundant number, since it is smaller than the sum of its proper divisors (16613683482).

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

16291086486 is a wasteful number, since it uses less digits than its factorization.

16291086486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26883087.

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 16291086486 in words is "sixteen billion, two hundred ninety-one million, eighty-six thousand, four hundred eighty-six".