216162634 has 8 divisors (see below), whose sum is σ = 331784640. Its totient is φ = 105567756.

The previous prime is 216162581. The next prime is 216162637. The reversal of 216162634 is 436261612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 216162596 and 216162605.

It is not an unprimeable number, because it can be changed into a prime (216162637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256674 + ... + 1256845.

It is an arithmetic number, because the mean of its divisors is an integer number (41473080).

Almost surely, 2^216162634 is an apocalyptic number.

216162634 is a deficient number, since it is larger than the sum of its proper divisors (115622006).

216162634 is a wasteful number, since it uses less digits than its factorization.

216162634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513564.

The product of its digits is 10368, while the sum is 31.

The square root of 216162634 is about 14702.4703366475. The cubic root of 216162634 is about 600.1505492587.

The spelling of 216162634 in words is "two hundred sixteen million, one hundred sixty-two thousand, six hundred thirty-four".