216675534572 has 48 divisors (see below), whose sum is σ = 438173245440. Its totient is φ = 91830686592.

The previous prime is 216675534571. The next prime is 216675534629. The reversal of 216675534572 is 275435576612.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (216675534571) 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, 1641173 + ... + 1768275.

It is an arithmetic number, because the mean of its divisors is an integer number (9128609280).

Almost surely, 2^216675534572 is an apocalyptic number.

It is an amenable number.

216675534572 is an abundant number, since it is smaller than the sum of its proper divisors (221497710868).

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

216675534572 is a wasteful number, since it uses less digits than its factorization.

216675534572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127790 (or 127788 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 53.

The spelling of 216675534572 in words is "two hundred sixteen billion, six hundred seventy-five million, five hundred thirty-four thousand, five hundred seventy-two".