545022215666 has 8 divisors (see below), whose sum is σ = 825470540544. Its totient is φ = 269865368820.

The previous prime is 545022215653. The next prime is 545022215671. The reversal of 545022215666 is 666512220545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322869250 + ... + 1322869661.

It is an arithmetic number, because the mean of its divisors is an integer number (103183817568).

Almost surely, 2^545022215666 is an apocalyptic number.

545022215666 is a deficient number, since it is larger than the sum of its proper divisors (280448324878).

545022215666 is a wasteful number, since it uses less digits than its factorization.

545022215666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645739016.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 545022215666 in words is "five hundred forty-five billion, twenty-two million, two hundred fifteen thousand, six hundred sixty-six".