216701375667 has 16 divisors (see below), whose sum is σ = 340863608832. Its totient is φ = 119834861760.

The previous prime is 216701375663. The next prime is 216701375749. The reversal of 216701375667 is 766573107612.

It is not a de Polignac number, because 216701375667 - 2² = 216701375663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216701375663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166436658 + ... + 166437959.

It is an arithmetic number, because the mean of its divisors is an integer number (21303975552).

Almost surely, 2^216701375667 is an apocalyptic number.

216701375667 is a deficient number, since it is larger than the sum of its proper divisors (124162233165).

216701375667 is a wasteful number, since it uses less digits than its factorization.

216701375667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332874658.

The product of its (nonzero) digits is 2222640, while the sum is 51.

The spelling of 216701375667 in words is "two hundred sixteen billion, seven hundred one million, three hundred seventy-five thousand, six hundred sixty-seven".