216011209596372 has 72 divisors (see below), whose sum is σ = 591055602849600. Its totient is φ = 68214066176016.

The previous prime is 216011209596331. The next prime is 216011209596373. The reversal of 216011209596372 is 273695902110612.

216011209596372 is a `hidden beast` number, since 2 + 1 + 6 + 0 + 1 + 12 + 0 + 9 + 596 + 37 + 2 = 666.

216011209596372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216011209596373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2770187872 + ... + 2770265847.

Almost surely, 2^{216011209596372} is an apocalyptic number.

It is an amenable number.

216011209596372 is an abundant number, since it is smaller than the sum of its proper divisors (375044393253228).

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

216011209596372 is a wasteful number, since it uses less digits than its factorization.

216011209596372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540453770 (or 5540453743 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 216011209596372 in words is "two hundred sixteen trillion, eleven billion, two hundred nine million, five hundred ninety-six thousand, three hundred seventy-two".