546644767446645 has 64 divisors (see below), whose sum is σ = 1063123857653760. Its totient is φ = 234140373070848.

The previous prime is 546644767446619. The next prime is 546644767446647.

546644767446645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 546644767446645 - 2⁶ = 546644767446581 is a prime.

It is a super-2 number, since 2×546644767446645² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546644767446647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 686246715 + ... + 687042824.

It is an arithmetic number, because the mean of its divisors is an integer number (16611310275840).

Almost surely, 2^{546644767446645} is an apocalyptic number.

It is an amenable number.

546644767446645 is a deficient number, since it is larger than the sum of its proper divisors (516479090207115).

546644767446645 is a wasteful number, since it uses less digits than its factorization.

546644767446645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373289794.

The product of its digits is 39016857600, while the sum is 78.

The spelling of 546644767446645 in words is "five hundred forty-six trillion, six hundred forty-four billion, seven hundred sixty-seven million, four hundred forty-six thousand, six hundred forty-five".