27216326416 has 10 divisors (see below), whose sum is σ = 52731632462. Its totient is φ = 13608163200.

The previous prime is 27216326363. The next prime is 27216326483. The reversal of 27216326416 is 61462361272.

It can be written as a sum of positive squares in only one way, i.e., 26960326416 + 256000000 = 164196^2 + 16000^2 .

It is a super-4 number, since 4×27216326416⁴ (a number of 43 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850510185 + ... + 850510216.

Almost surely, 2^27216326416 is an apocalyptic number.

It is an amenable number.

27216326416 is a deficient number, since it is larger than the sum of its proper divisors (25515306046).

27216326416 is a wasteful number, since it uses less digits than its factorization.

27216326416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701020409 (or 1701020403 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

Adding to 27216326416 its reverse (61462361272), we get a palindrome (88678687688).

The spelling of 27216326416 in words is "twenty-seven billion, two hundred sixteen million, three hundred twenty-six thousand, four hundred sixteen".