216373715582552 has 32 divisors (see below), whose sum is σ = 442663408527120. Its totient is φ = 98333731463040.

The previous prime is 216373715582543. The next prime is 216373715582579. The reversal of 216373715582552 is 255285517373612.

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, 223983263 + ... + 224947214.

Almost surely, 2^{216373715582552} is an apocalyptic number.

216373715582552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

216373715582552 is an abundant number, since it is smaller than the sum of its proper divisors (226289692944568).

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

216373715582552 is a wasteful number, since it uses less digits than its factorization.

216373715582552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448935971 (or 448935967 counting only the distinct ones).

The product of its digits is 105840000, while the sum is 62.

The spelling of 216373715582552 in words is "two hundred sixteen trillion, three hundred seventy-three billion, seven hundred fifteen million, five hundred eighty-two thousand, five hundred fifty-two".