546655556645 has 32 divisors (see below), whose sum is σ = 717682567680. Its totient is φ = 396424512000.

The previous prime is 546655556641. The next prime is 546655556647.

It is a happy number.

546655556645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 546655556645 - 2² = 546655556641 is a prime.

It is a super-2 number, since 2×546655556645² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546655556641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27656276 + ... + 27676034.

It is an arithmetic number, because the mean of its divisors is an integer number (22427580240).

Almost surely, 2^546655556645 is an apocalyptic number.

546655556645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

546655556645 is a deficient number, since it is larger than the sum of its proper divisors (171027011035).

546655556645 is a wasteful number, since it uses less digits than its factorization.

546655556645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21197.

The product of its digits is 324000000, while the sum is 62.

The spelling of 546655556645 in words is "five hundred forty-six billion, six hundred fifty-five million, five hundred fifty-six thousand, six hundred forty-five".