61347240178 has 8 divisors (see below), whose sum is σ = 105166697472. Its totient is φ = 26291674356.

The previous prime is 61347240167. The next prime is 61347240181. The reversal of 61347240178 is 87104274316.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2190972850 + ... + 2190972877.

It is an arithmetic number, because the mean of its divisors is an integer number (13145837184).

Almost surely, 2^61347240178 is an apocalyptic number.

61347240178 is a deficient number, since it is larger than the sum of its proper divisors (43819457294).

61347240178 is a wasteful number, since it uses less digits than its factorization.

61347240178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381945736.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 61347240178 in words is "sixty-one billion, three hundred forty-seven million, two hundred forty thousand, one hundred seventy-eight".