61370611220 has 48 divisors (see below), whose sum is σ = 130992153600. Its totient is φ = 24147901440.

The previous prime is 61370611207. The next prime is 61370611243. The reversal of 61370611220 is 2211607316.

61370611220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356516 + ... + 499844.

It is an arithmetic number, because the mean of its divisors is an integer number (2729003200).

Almost surely, 2^61370611220 is an apocalyptic number.

It is an amenable number.

61370611220 is an abundant number, since it is smaller than the sum of its proper divisors (69621542380).

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

61370611220 is a wasteful number, since it uses less digits than its factorization.

61370611220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143688 (or 143686 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 61370611220 in words is "sixty-one billion, three hundred seventy million, six hundred eleven thousand, two hundred twenty".