654606471167 has 4 divisors (see below), whose sum is σ = 714116150376. Its totient is φ = 595096791960.

The previous prime is 654606471161. The next prime is 654606471179. The reversal of 654606471167 is 761174606456.

It is a happy number.

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

It is not a de Polignac number, because 654606471167 - 2²² = 654602276863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654606471161) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 29754839588 + ... + 29754839609.

It is an arithmetic number, because the mean of its divisors is an integer number (178529037594).

Almost surely, 2^654606471167 is an apocalyptic number.

654606471167 is a deficient number, since it is larger than the sum of its proper divisors (59509679209).

654606471167 is a wasteful number, since it uses less digits than its factorization.

654606471167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59509679208.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 654606471167 in words is "six hundred fifty-four billion, six hundred six million, four hundred seventy-one thousand, one hundred sixty-seven".