543654313442066 has 128 divisors (see below), whose sum is σ = 862703689236480. Its totient is φ = 256636721433600.

The previous prime is 543654313442059. The next prime is 543654313442099. The reversal of 543654313442066 is 660244313456345.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58225797350 + ... + 58225806686.

It is an arithmetic number, because the mean of its divisors is an integer number (6739872572160).

Almost surely, 2^{543654313442066} is an apocalyptic number.

543654313442066 is a deficient number, since it is larger than the sum of its proper divisors (319049375794414).

543654313442066 is a wasteful number, since it uses less digits than its factorization.

543654313442066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10120.

The product of its (nonzero) digits is 74649600, while the sum is 56.

The spelling of 543654313442066 in words is "five hundred forty-three trillion, six hundred fifty-four billion, three hundred thirteen million, four hundred forty-two thousand, sixty-six".