546664566512 has 20 divisors (see below), whose sum is σ = 1066782476760. Its totient is φ = 271365862848.

The previous prime is 546664566509. The next prime is 546664566521. The reversal of 546664566512 is 215665466645.

It is a super-2 number, since 2×546664566512² (a number of 24 digits) contains 22 as substring.

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, 122898983 + ... + 122903430.

It is an arithmetic number, because the mean of its divisors is an integer number (53339123838).

Almost surely, 2^546664566512 is an apocalyptic number.

It is an amenable number.

546664566512 is a deficient number, since it is larger than the sum of its proper divisors (520117910248).

546664566512 is a wasteful number, since it uses less digits than its factorization.

546664566512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245802560 (or 245802554 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 56.

The spelling of 546664566512 in words is "five hundred forty-six billion, six hundred sixty-four million, five hundred sixty-six thousand, five hundred twelve".