216260013654 has 24 divisors (see below), whose sum is σ = 473202608112. Its totient is φ = 71372941200.

The previous prime is 216260013643. The next prime is 216260013719. The reversal of 216260013654 is 456310062612.

216260013654 is a `hidden beast` number, since 2 + 16 + 2 + 600 + 1 + 36 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59475634 + ... + 59479269.

It is an arithmetic number, because the mean of its divisors is an integer number (19716775338).

Almost surely, 2^216260013654 is an apocalyptic number.

216260013654 is an abundant number, since it is smaller than the sum of its proper divisors (256942594458).

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

216260013654 is a wasteful number, since it uses less digits than its factorization.

216260013654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118955012 (or 118955009 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 216260013654 in words is "two hundred sixteen billion, two hundred sixty million, thirteen thousand, six hundred fifty-four".