61616622 has 16 divisors (see below), whose sum is σ = 123524352. Its totient is φ = 20490360.

The previous prime is 61616587. The next prime is 61616629. The reversal of 61616622 is 22661616.

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 61616622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61616629) 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, 9328 + ... + 14499.

It is an arithmetic number, because the mean of its divisors is an integer number (7720272).

Almost surely, 2^61616622 is an apocalyptic number.

61616622 is an abundant number, since it is smaller than the sum of its proper divisors (61907730).

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

61616622 is a wasteful number, since it uses less digits than its factorization.

61616622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24263.

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

The square root of 61616622 is about 7849.6255961670. The cubic root of 61616622 is about 394.9716841316.

The spelling of 61616622 in words is "sixty-one million, six hundred sixteen thousand, six hundred twenty-two".