475816681554 has 64 divisors (see below), whose sum is σ = 1030417583616. Its totient is φ = 145905629184.

The previous prime is 475816681547. The next prime is 475816681559. The reversal of 475816681554 is 455186618574.

It is not an unprimeable number, because it can be changed into a prime (475816681559) 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 31 ways as a sum of consecutive naturals, for example, 3563502 + ... + 3694614.

It is an arithmetic number, because the mean of its divisors is an integer number (16100274744).

Almost surely, 2^475816681554 is an apocalyptic number.

475816681554 is an abundant number, since it is smaller than the sum of its proper divisors (554600902062).

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

475816681554 is a wasteful number, since it uses less digits than its factorization.

475816681554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131939.

The product of its digits is 32256000, while the sum is 60.

The spelling of 475816681554 in words is "four hundred seventy-five billion, eight hundred sixteen million, six hundred eighty-one thousand, five hundred fifty-four".