61216626 has 64 divisors (see below), whose sum is σ = 134369280. Its totient is φ = 18520320.

The previous prime is 61216619. The next prime is 61216633. The reversal of 61216626 is 62661216.

It is an interprime number because it is at equal distance from previous prime (61216619) and next prime (61216633).

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

It is a junction number, because it is equal to n+sod(n) for n = 61216593 and 61216602.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 572065 + ... + 572171.

It is an arithmetic number, because the mean of its divisors is an integer number (2099520).

Almost surely, 2^61216626 is an apocalyptic number.

61216626 is an abundant number, since it is smaller than the sum of its proper divisors (73152654).

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

61216626 is a wasteful number, since it uses less digits than its factorization.

61216626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279.

The product of its digits is 5184, while the sum is 30.

The square root of 61216626 is about 7824.1054440747. The cubic root of 61216626 is about 394.1151501063.

The spelling of 61216626 in words is "sixty-one million, two hundred sixteen thousand, six hundred twenty-six".