216945526692 has 48 divisors (see below), whose sum is σ = 528265221120. Its totient is φ = 69164486688.

The previous prime is 216945526687. The next prime is 216945526703. The reversal of 216945526692 is 296625549612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3485113 + ... + 3546815.

It is an arithmetic number, because the mean of its divisors is an integer number (11005525440).

Almost surely, 2^216945526692 is an apocalyptic number.

It is an amenable number.

216945526692 is an abundant number, since it is smaller than the sum of its proper divisors (311319694428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216945526692 is a wasteful number, since it uses less digits than its factorization.

216945526692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74472 (or 74470 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 57.

The spelling of 216945526692 in words is "two hundred sixteen billion, nine hundred forty-five million, five hundred twenty-six thousand, six hundred ninety-two".