61768000178 has 8 divisors (see below), whose sum is σ = 93318561840. Its totient is φ = 30661812900.

The previous prime is 61768000171. The next prime is 61768000181. The reversal of 61768000178 is 87100086716.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61768000171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111093248 + ... + 111093803.

It is an arithmetic number, because the mean of its divisors is an integer number (11664820230).

Almost surely, 2^61768000178 is an apocalyptic number.

61768000178 is a deficient number, since it is larger than the sum of its proper divisors (31550561662).

61768000178 is a wasteful number, since it uses less digits than its factorization.

61768000178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222187192.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 61768000178 in words is "sixty-one billion, seven hundred sixty-eight million, one hundred seventy-eight", and thus it is an aban number.