4461613978178 has 8 divisors (see below), whose sum is σ = 7648481105472. Its totient is φ = 1912120276356.

The previous prime is 4461613978163. The next prime is 4461613978181. The reversal of 4461613978178 is 8718793161644.

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, 159343356350 + ... + 159343356377.

It is an arithmetic number, because the mean of its divisors is an integer number (956060138184).

Almost surely, 2^{4461613978178} is an apocalyptic number.

4461613978178 is a deficient number, since it is larger than the sum of its proper divisors (3186867127294).

4461613978178 is a wasteful number, since it uses less digits than its factorization.

4461613978178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318686712736.

The product of its digits is 48771072, while the sum is 65.

The spelling of 4461613978178 in words is "four trillion, four hundred sixty-one billion, six hundred thirteen million, nine hundred seventy-eight thousand, one hundred seventy-eight".