216580088 has 16 divisors (see below), whose sum is σ = 427461000. Its totient is φ = 102590496.

The previous prime is 216580079. The next prime is 216580097. The reversal of 216580088 is 880085612.

It is an interprime number because it is at equal distance from previous prime (216580079) and next prime (216580097).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712283 + ... + 712586.

Almost surely, 2^216580088 is an apocalyptic number.

It is an amenable number.

216580088 is a deficient number, since it is larger than the sum of its proper divisors (210880912).

216580088 is a wasteful number, since it uses less digits than its factorization.

216580088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424894 (or 1424890 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 216580088 is about 14716.6602189491. The cubic root of 216580088 is about 600.5366384075.

The spelling of 216580088 in words is "two hundred sixteen million, five hundred eighty thousand, eighty-eight".