216741539832 has 32 divisors (see below), whose sum is σ = 541865385600. Its totient is φ = 72245641824.

The previous prime is 216741539821. The next prime is 216741539867. The reversal of 216741539832 is 238935147612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1903533 + ... + 2014179.

It is an arithmetic number, because the mean of its divisors is an integer number (16933293300).

Almost surely, 2^216741539832 is an apocalyptic number.

It is an amenable number.

216741539832 is an abundant number, since it is smaller than the sum of its proper divisors (325123845768).

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

216741539832 is a wasteful number, since it uses less digits than its factorization.

216741539832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192275 (or 192271 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The spelling of 216741539832 in words is "two hundred sixteen billion, seven hundred forty-one million, five hundred thirty-nine thousand, eight hundred thirty-two".