216278759312 has 80 divisors (see below), whose sum is σ = 527322534912. Its totient is φ = 83476882560.

The previous prime is 216278759287. The next prime is 216278759329. The reversal of 216278759312 is 213957872612.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688508 + ... + 952155.

Almost surely, 2^216278759312 is an apocalyptic number.

216278759312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

216278759312 is an abundant number, since it is smaller than the sum of its proper divisors (311043775600).

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

216278759312 is a wasteful number, since it uses less digits than its factorization.

216278759312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640796 (or 1640790 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The spelling of 216278759312 in words is "two hundred sixteen billion, two hundred seventy-eight million, seven hundred fifty-nine thousand, three hundred twelve".