4221646600545 has 96 divisors (see below), whose sum is σ = 8030524170240. Its totient is φ = 2034643121280.

The previous prime is 4221646600481. The next prime is 4221646600649. The reversal of 4221646600545 is 5450066461224.

4221646600545 is a `hidden beast` number, since 4 + 2 + 2 + 1 + 6 + 46 + 60 + 0 + 545 = 666.

It is not a de Polignac number, because 4221646600545 - 2⁶ = 4221646600481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4221646600545.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60240636 + ... + 60310674.

It is an arithmetic number, because the mean of its divisors is an integer number (83651293440).

Almost surely, 2^{4221646600545} is an apocalyptic number.

4221646600545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4221646600545 is a deficient number, since it is larger than the sum of its proper divisors (3808877569695).

4221646600545 is a wasteful number, since it uses less digits than its factorization.

4221646600545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70787 (or 70784 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 4221646600545 in words is "four trillion, two hundred twenty-one billion, six hundred forty-six million, six hundred thousand, five hundred forty-five".