546696161696645 has 4 divisors (see below), whose sum is σ = 656035394035980. Its totient is φ = 437356929357312.

The previous prime is 546696161696617. The next prime is 546696161696677.

546696161696645 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 59516179496929 + 487179982199716 = 7714673^2 + 22072154^2 .

It is a cyclic number.

It is not a de Polignac number, because 546696161696645 - 2⁴⁴ = 529103975652229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 546696161696645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54669616169660 + ... + 54669616169669.

It is an arithmetic number, because the mean of its divisors is an integer number (164008848508995).

Almost surely, 2^{546696161696645} is an apocalyptic number.

It is an amenable number.

546696161696645 is a deficient number, since it is larger than the sum of its proper divisors (109339232339335).

546696161696645 is a wasteful number, since it uses less digits than its factorization.

546696161696645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109339232339334.

The product of its digits is 9069926400, while the sum is 80.

The spelling of 546696161696645 in words is "five hundred forty-six trillion, six hundred ninety-six billion, one hundred sixty-one million, six hundred ninety-six thousand, six hundred forty-five".