216601074424 has 32 divisors (see below), whose sum is σ = 491447818080. Its totient is φ = 87368500224.

The previous prime is 216601074421. The next prime is 216601074433. The reversal of 216601074424 is 424470106612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216601074421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113760117 + ... + 113762020.

It is an arithmetic number, because the mean of its divisors is an integer number (15357744315).

Almost surely, 2^216601074424 is an apocalyptic number.

It is an amenable number.

216601074424 is an abundant number, since it is smaller than the sum of its proper divisors (274846743656).

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

216601074424 is a wasteful number, since it uses less digits than its factorization.

216601074424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227522167 (or 227522163 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 216601074424 in words is "two hundred sixteen billion, six hundred one million, seventy-four thousand, four hundred twenty-four".