63575666154 has 256 divisors, whose sum is σ = 197940879360. Its totient is φ = 14579896320.

The previous prime is 63575666017. The next prime is 63575666191. The reversal of 63575666154 is 45166657536.

It is a super-2 number, since 2×63575666154² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 63575666154.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1217674 + ... + 1268810.

It is an arithmetic number, because the mean of its divisors is an integer number (773206560).

Almost surely, 2^63575666154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63575666154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98970439680).

63575666154 is an abundant number, since it is smaller than the sum of its proper divisors (134365213206).

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

63575666154 is a wasteful number, since it uses less digits than its factorization.

63575666154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51202 (or 51196 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 54.

The spelling of 63575666154 in words is "sixty-three billion, five hundred seventy-five million, six hundred sixty-six thousand, one hundred fifty-four".