216132396879364 has 81 divisors (see below), whose sum is σ = 450472393331541. Its totient is φ = 90470321837280.

The previous prime is 216132396879359. The next prime is 216132396879367. The reversal of 216132396879364 is 463978693231612.

The square root of 216132396879364 is 14701442.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17700173764 + 216114696705600 = 133042^2 + 14700840^2 .

It is a junction number, because it is equal to n+sod(n) for n = 216132396879293 and 216132396879302.

It is not an unprimeable number, because it can be changed into a prime (216132396879367) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8850255874 + ... + 8850280294.

Almost surely, 2^{216132396879364} is an apocalyptic number.

216132396879364 is the 14701442-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216132396879364

216132396879364 is an abundant number, since it is smaller than the sum of its proper divisors (234339996452177).

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

216132396879364 is an frugal number, since it uses more digits than its factorization.

216132396879364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48946 (or 24473 counting only the distinct ones).

The product of its digits is 423263232, while the sum is 70.

The spelling of 216132396879364 in words is "two hundred sixteen trillion, one hundred thirty-two billion, three hundred ninety-six million, eight hundred seventy-nine thousand, three hundred sixty-four".