216764736117142 has 8 divisors (see below), whose sum is σ = 325310248739736. Its totient is φ = 108327986537232.

The previous prime is 216764736117121. The next prime is 216764736117151. The reversal of 216764736117142 is 241711637467612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27190755688 + ... + 27190763659.

It is an arithmetic number, because the mean of its divisors is an integer number (40663781092467).

Almost surely, 2^{216764736117142} is an apocalyptic number.

216764736117142 is a deficient number, since it is larger than the sum of its proper divisors (108545512622594).

216764736117142 is a wasteful number, since it uses less digits than its factorization.

216764736117142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54381521342.

The product of its digits is 14224896, while the sum is 58.

The spelling of 216764736117142 in words is "two hundred sixteen trillion, seven hundred sixty-four billion, seven hundred thirty-six million, one hundred seventeen thousand, one hundred forty-two".