216761096 has 64 divisors (see below), whose sum is σ = 436952880. Its totient is φ = 100638720.

The previous prime is 216761053. The next prime is 216761123. The reversal of 216761096 is 690167612.

It can be written as a sum of positive squares in 8 ways, for example, as 95452900 + 121308196 = 9770^2 + 11014^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643040 + ... + 643376.

Almost surely, 2^216761096 is an apocalyptic number.

It is an amenable number.

216761096 is an abundant number, since it is smaller than the sum of its proper divisors (220191784).

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

216761096 is a wasteful number, since it uses less digits than its factorization.

216761096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 216761096 is about 14722.8086994296. The cubic root of 216761096 is about 600.7038924214.

The spelling of 216761096 in words is "two hundred sixteen million, seven hundred sixty-one thousand, ninety-six".