216252104 has 32 divisors (see below), whose sum is σ = 430035480. Its totient is φ = 101597184.

The previous prime is 216252097. The next prime is 216252109. The reversal of 216252104 is 401252612.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 205348900 + 10903204 = 14330^2 + 3302^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 216252104.

It is not an unprimeable number, because it can be changed into a prime (216252109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126584 + ... + 128280.

Almost surely, 2^216252104 is an apocalyptic number.

It is an amenable number.

216252104 is a deficient number, since it is larger than the sum of its proper divisors (213783376).

216252104 is a wasteful number, since it uses less digits than its factorization.

216252104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657 (or 2653 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 216252104 is about 14705.5127078249. The cubic root of 216252104 is about 600.2333388728.

The spelling of 216252104 in words is "two hundred sixteen million, two hundred fifty-two thousand, one hundred four".