61140266600 has 48 divisors (see below), whose sum is σ = 162458426400. Its totient is φ = 20962376640.

The previous prime is 61140266591. The next prime is 61140266623. The reversal of 61140266600 is 666204116.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21834410 + ... + 21837209.

It is an arithmetic number, because the mean of its divisors is an integer number (3384550550).

Almost surely, 2^61140266600 is an apocalyptic number.

It is an amenable number.

61140266600 is an abundant number, since it is smaller than the sum of its proper divisors (101318159800).

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

61140266600 is a wasteful number, since it uses less digits than its factorization.

61140266600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43671642 (or 43671633 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 61140266600 in words is "sixty-one billion, one hundred forty million, two hundred sixty-six thousand, six hundred".