16210977671986 has 16 divisors (see below), whose sum is σ = 24322167281664. Its totient is φ = 8103588744384.

The previous prime is 16210977671981. The next prime is 16210977671989. The reversal of 16210977671986 is 68917677901261.

It is not an unprimeable number, because it can be changed into a prime (16210977671981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362988570 + ... + 363033226.

It is an arithmetic number, because the mean of its divisors is an integer number (1520135455104).

Almost surely, 2^{16210977671986} is an apocalyptic number.

16210977671986 is a deficient number, since it is larger than the sum of its proper divisors (8111189609678).

16210977671986 is a wasteful number, since it uses less digits than its factorization.

16210977671986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83145.

The product of its (nonzero) digits is 96018048, while the sum is 70.

The spelling of 16210977671986 in words is "sixteen trillion, two hundred ten billion, nine hundred seventy-seven million, six hundred seventy-one thousand, nine hundred eighty-six".