61055600620 has 24 divisors (see below), whose sum is σ = 146533441824. Its totient is φ = 20933348736.

The previous prime is 61055600611. The next prime is 61055600629. The reversal of 61055600620 is 2600655016.

It is an interprime number because it is at equal distance from previous prime (61055600611) and next prime (61055600629).

It is not an unprimeable number, because it can be changed into a prime (61055600629) 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, 218055577 + ... + 218055856.

It is an arithmetic number, because the mean of its divisors is an integer number (6105560076).

Almost surely, 2^61055600620 is an apocalyptic number.

It is an amenable number.

61055600620 is an abundant number, since it is smaller than the sum of its proper divisors (85477841204).

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

61055600620 is a wasteful number, since it uses less digits than its factorization.

61055600620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436111449 (or 436111447 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 61055600620 in words is "sixty-one billion, fifty-five million, six hundred thousand, six hundred twenty".