61800094692 has 120 divisors (see below), whose sum is σ = 191004327360. Its totient is φ = 17048283840.

The previous prime is 61800094669. The next prime is 61800094711. The reversal of 61800094692 is 29649000816.

It is a happy number.

61800094692 is a `hidden beast` number, since 6 + 180 + 0 + 0 + 9 + 469 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 404034 + ... + 535577.

It is an arithmetic number, because the mean of its divisors is an integer number (1591702728).

Almost surely, 2^61800094692 is an apocalyptic number.

It is an amenable number.

61800094692 is an abundant number, since it is smaller than the sum of its proper divisors (129204232668).

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

61800094692 is a wasteful number, since it uses less digits than its factorization.

61800094692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939663 (or 939652 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 61800094692 in words is "sixty-one billion, eight hundred million, ninety-four thousand, six hundred ninety-two".