163212424204644 has 24 divisors (see below), whose sum is σ = 423143322012320. Its totient is φ = 54404141401512.

The previous prime is 163212424204607. The next prime is 163212424204649. The reversal of 163212424204644 is 446402424212361.

163212424204644 is a `hidden beast` number, since 1 + 6 + 3 + 2 + 12 + 424 + 204 + 6 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 163212424204644.

It is not an unprimeable number, because it can be changed into a prime (163212424204649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755613074914 + ... + 755613075129.

Almost surely, 2^{163212424204644} is an apocalyptic number.

It is an amenable number.

163212424204644 is an abundant number, since it is smaller than the sum of its proper divisors (259930897807676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163212424204644 is a wasteful number, since it uses less digits than its factorization.

163212424204644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511226150056 (or 1511226150048 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 45.

The spelling of 163212424204644 in words is "one hundred sixty-three trillion, two hundred twelve billion, four hundred twenty-four million, two hundred four thousand, six hundred forty-four".