216491015162 has 8 divisors (see below), whose sum is σ = 325029345300. Its totient is φ = 108147900064.

The previous prime is 216491015161. The next prime is 216491015171. The reversal of 216491015162 is 261510194612.

It can be written as a sum of positive squares in 2 ways, for example, as 201519290281 + 14971724881 = 448909^2 + 122359^2 .

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

It is not an unprimeable number, because it can be changed into a prime (216491015161) 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, 48800987 + ... + 48805422.

Almost surely, 2^216491015162 is an apocalyptic number.

216491015162 is a deficient number, since it is larger than the sum of its proper divisors (108538330138).

216491015162 is a wasteful number, since it uses less digits than its factorization.

216491015162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97607520.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 216491015162 in words is "two hundred sixteen billion, four hundred ninety-one million, fifteen thousand, one hundred sixty-two".