4581161472678 has 32 divisors (see below), whose sum is σ = 10471324743936. Its totient is φ = 1308890962848.

The previous prime is 4581161472673. The next prime is 4581161472691. The reversal of 4581161472678 is 8762741611854.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4581161472673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4604425 + ... + 5510267.

It is an arithmetic number, because the mean of its divisors is an integer number (327228898248).

Almost surely, 2^{4581161472678} is an apocalyptic number.

4581161472678 is an abundant number, since it is smaller than the sum of its proper divisors (5890163271258).

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

4581161472678 is a wasteful number, since it uses less digits than its factorization.

4581161472678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026268.

The product of its digits is 18063360, while the sum is 60.

The spelling of 4581161472678 in words is "four trillion, five hundred eighty-one billion, one hundred sixty-one million, four hundred seventy-two thousand, six hundred seventy-eight".