1000001665224 has 64 divisors (see below), whose sum is σ = 2778103094400. Its totient is φ = 333295405632.

The previous prime is 1000001665217. The next prime is 1000001665231. The reversal of 1000001665224 is 4225661000001.

1000001665224 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 0 + 0 + 1 + 6 + 652 + 2 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1000001665217) and next prime (1000001665231).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 1639474 + ... + 2165150.

It is an arithmetic number, because the mean of its divisors is an integer number (43407860850).

Almost surely, 2^{1000001665224} is an apocalyptic number.

It is an amenable number.

1000001665224 is an abundant number, since it is smaller than the sum of its proper divisors (1778101429176).

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

1000001665224 is a wasteful number, since it uses less digits than its factorization.

1000001665224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534499 (or 534489 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1000001665224 its reverse (4225661000001), we get a palindrome (5225662665225).

The spelling of 1000001665224 in words is "one trillion, one million, six hundred sixty-five thousand, two hundred twenty-four".