454543155131666 has 16 divisors (see below), whose sum is σ = 695549189586048. Its totient is φ = 222720921680400.

The previous prime is 454543155131591. The next prime is 454543155131687. The reversal of 454543155131666 is 666131551345454.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6874069460 + ... + 6874135583.

It is an arithmetic number, because the mean of its divisors is an integer number (43471824349128).

Almost surely, 2^{454543155131666} is an apocalyptic number.

454543155131666 is a deficient number, since it is larger than the sum of its proper divisors (241006034454382).

454543155131666 is a wasteful number, since it uses less digits than its factorization.

454543155131666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13748205377.

The product of its digits is 77760000, while the sum is 59.

The spelling of 454543155131666 in words is "four hundred fifty-four trillion, five hundred forty-three billion, one hundred fifty-five million, one hundred thirty-one thousand, six hundred sixty-six".