546665316731642 has 4 divisors (see below), whose sum is σ = 819997975097466. Its totient is φ = 273332658365820.

The previous prime is 546665316731627. The next prime is 546665316731657. The reversal of 546665316731642 is 246137613566645.

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

It is an interprime number because it is at equal distance from previous prime (546665316731627) and next prime (546665316731657).

It can be written as a sum of positive squares in only one way, i.e., 546337845524641 + 327471207001 = 23373871^2 + 572251^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136666329182909 + ... + 136666329182912.

Almost surely, 2^{546665316731642} is an apocalyptic number.

546665316731642 is a deficient number, since it is larger than the sum of its proper divisors (273332658365824).

546665316731642 is a wasteful number, since it uses less digits than its factorization.

546665316731642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273332658365823.

The product of its digits is 391910400, while the sum is 65.

The spelling of 546665316731642 in words is "five hundred forty-six trillion, six hundred sixty-five billion, three hundred sixteen million, seven hundred thirty-one thousand, six hundred forty-two".