218176406946982 has 16 divisors (see below), whose sum is σ = 360352536201792. Its totient is φ = 98244261410920.

The previous prime is 218176406946973. The next prime is 218176406946989. The reversal of 218176406946982 is 289649604671812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218176406946989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46341630388 + ... + 46341635095.

It is an arithmetic number, because the mean of its divisors is an integer number (22522033512612).

Almost surely, 2^{218176406946982} is an apocalyptic number.

218176406946982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

218176406946982 is a deficient number, since it is larger than the sum of its proper divisors (142176129254810).

218176406946982 is a wasteful number, since it uses less digits than its factorization.

218176406946982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92683265603.

The product of its (nonzero) digits is 501645312, while the sum is 73.

The spelling of 218176406946982 in words is "two hundred eighteen trillion, one hundred seventy-six billion, four hundred six million, nine hundred forty-six thousand, nine hundred eighty-two".