546904171781 has 16 divisors (see below), whose sum is σ = 611891437248. Its totient is φ = 484490140800.

The previous prime is 546904171777. The next prime is 546904171783. The reversal of 546904171781 is 187171409645.

It is a cyclic number.

It is not a de Polignac number, because 546904171781 - 2² = 546904171777 is a prime.

It is a super-2 number, since 2×546904171781² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546904171783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326111 + ... + 1095516.

It is an arithmetic number, because the mean of its divisors is an integer number (38243214828).

Almost surely, 2^546904171781 is an apocalyptic number.

It is an amenable number.

546904171781 is a deficient number, since it is larger than the sum of its proper divisors (64987265467).

546904171781 is a wasteful number, since it uses less digits than its factorization.

546904171781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422532.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 546904171781 in words is "five hundred forty-six billion, nine hundred four million, one hundred seventy-one thousand, seven hundred eighty-one".