61335500620 has 48 divisors (see below), whose sum is σ = 131982127200. Its totient is φ = 23929274880.

The previous prime is 61335500609. The next prime is 61335500623. The reversal of 61335500620 is 2600553316.

It is not an unprimeable number, because it can be changed into a prime (61335500623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3919171 + ... + 3934789.

It is an arithmetic number, because the mean of its divisors is an integer number (2749627650).

Almost surely, 2^61335500620 is an apocalyptic number.

It is an amenable number.

61335500620 is an abundant number, since it is smaller than the sum of its proper divisors (70646626580).

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

61335500620 is a wasteful number, since it uses less digits than its factorization.

61335500620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20458 (or 20456 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 61335500620 in words is "sixty-one billion, three hundred thirty-five million, five hundred thousand, six hundred twenty".