61740876198 has 32 divisors (see below), whose sum is σ = 123684060672. Its totient is φ = 20546604800.

The previous prime is 61740876191. The next prime is 61740876287. The reversal of 61740876198 is 89167804716.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61740876191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14058583 + ... + 14062973.

It is an arithmetic number, because the mean of its divisors is an integer number (3865126896).

Almost surely, 2^61740876198 is an apocalyptic number.

61740876198 is an abundant number, since it is smaller than the sum of its proper divisors (61943184474).

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

61740876198 is a wasteful number, since it uses less digits than its factorization.

61740876198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7700.

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 61740876198 in words is "sixty-one billion, seven hundred forty million, eight hundred seventy-six thousand, one hundred ninety-eight".