1224327604164 has 144 divisors (see below), whose sum is σ = 3610921144320. Its totient is φ = 320706630720.

The previous prime is 1224327604141. The next prime is 1224327604193. The reversal of 1224327604164 is 4614067234221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1421232 + ... + 2113895.

It is an arithmetic number, because the mean of its divisors is an integer number (25075841280).

Almost surely, 2^{1224327604164} is an apocalyptic number.

1224327604164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1224327604164 is an abundant number, since it is smaller than the sum of its proper divisors (2386593540156).

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

1224327604164 is a wasteful number, since it uses less digits than its factorization.

1224327604164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535198 (or 3535189 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 1224327604164 in words is "one trillion, two hundred twenty-four billion, three hundred twenty-seven million, six hundred four thousand, one hundred sixty-four".