4356606445666 has 32 divisors (see below), whose sum is σ = 6656941566000. Its totient is φ = 2138079939840.

The previous prime is 4356606445553. The next prime is 4356606445699. The reversal of 4356606445666 is 6665446066534.

It can be written as a sum of positive squares in 8 ways, for example, as 745941415041 + 3610665030625 = 863679^2 + 1900175^2 .

It is a super-4 number, since 4×4356606445666⁴ (a number of 52 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11935996 + ... + 12295576.

Almost surely, 2^{4356606445666} is an apocalyptic number.

4356606445666 is a deficient number, since it is larger than the sum of its proper divisors (2300335120334).

4356606445666 is a wasteful number, since it uses less digits than its factorization.

4356606445666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360214.

The product of its (nonzero) digits is 223948800, while the sum is 61.

The spelling of 4356606445666 in words is "four trillion, three hundred fifty-six billion, six hundred six million, four hundred forty-five thousand, six hundred sixty-six".