216196767695 has 64 divisors (see below), whose sum is σ = 287444505600. Its totient is φ = 155531228160.

The previous prime is 216196767667. The next prime is 216196767707. The reversal of 216196767695 is 596767691612.

It is not a de Polignac number, because 216196767695 - 2¹² = 216196763599 is a prime.

It is a super-2 number, since 2×216196767695² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 87919376 + ... + 87921834.

It is an arithmetic number, because the mean of its divisors is an integer number (4491320400).

Almost surely, 2^216196767695 is an apocalyptic number.

216196767695 is a deficient number, since it is larger than the sum of its proper divisors (71247737905).

216196767695 is a wasteful number, since it uses less digits than its factorization.

216196767695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200.

The product of its digits is 51438240, while the sum is 65.

The spelling of 216196767695 in words is "two hundred sixteen billion, one hundred ninety-six million, seven hundred sixty-seven thousand, six hundred ninety-five".