61236216 has 32 divisors (see below), whose sum is σ = 170101200. Its totient is φ = 20412000.

The previous prime is 61236181. The next prime is 61236223. The reversal of 61236216 is 61263216.

61236216 is a `hidden beast` number, since 612 + 36 + 2 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 61236216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141535 + ... + 141966.

Almost surely, 2^61236216 is an apocalyptic number.

It is an amenable number.

61236216 is an abundant number, since it is smaller than the sum of its proper divisors (108864984).

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

61236216 is a wasteful number, since it uses less digits than its factorization.

61236216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283516 (or 283506 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 61236216 is about 7825.3572442413. The cubic root of 61236216 is about 394.1571860305.

Subtracting 61236216 from its reverse (61263216), we obtain a cube (27000 = 30³).

The spelling of 61236216 in words is "sixty-one million, two hundred thirty-six thousand, two hundred sixteen".