654512113166 has 4 divisors (see below), whose sum is σ = 981768169752. Its totient is φ = 327256056582.

The previous prime is 654512113147. The next prime is 654512113187. The reversal of 654512113166 is 661311215456.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×654512113166² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163628028290 + ... + 163628028293.

It is an arithmetic number, because the mean of its divisors is an integer number (245442042438).

Almost surely, 2^654512113166 is an apocalyptic number.

654512113166 is a deficient number, since it is larger than the sum of its proper divisors (327256056586).

654512113166 is a wasteful number, since it uses less digits than its factorization.

654512113166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327256056585.

The product of its digits is 129600, while the sum is 41.

The spelling of 654512113166 in words is "six hundred fifty-four billion, five hundred twelve million, one hundred thirteen thousand, one hundred sixty-six".