216262515432166 has 64 divisors (see below), whose sum is σ = 389063840256000. Its totient is φ = 88213272009984.

The previous prime is 216262515432151. The next prime is 216262515432193. The reversal of 216262515432166 is 661234515262612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43382410 + ... + 48109858.

It is an arithmetic number, because the mean of its divisors is an integer number (6079122504000).

Almost surely, 2^{216262515432166} is an apocalyptic number.

216262515432166 is a deficient number, since it is larger than the sum of its proper divisors (172801324823834).

216262515432166 is a wasteful number, since it uses less digits than its factorization.

216262515432166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729421.

The product of its digits is 6220800, while the sum is 52.

The spelling of 216262515432166 in words is "two hundred sixteen trillion, two hundred sixty-two billion, five hundred fifteen million, four hundred thirty-two thousand, one hundred sixty-six".