1664326022124 has 24 divisors (see below), whose sum is σ = 3883742356480. Its totient is φ = 554730344784.

The previous prime is 1664326022077. The next prime is 1664326022129. The reversal of 1664326022124 is 4212206234661.

It is a happy number.

It is a super-2 number, since 2×1664326022124² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1664326022129) 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, 5470204 + ... + 5766435.

Almost surely, 2^{1664326022124} is an apocalyptic number.

It is an amenable number.

1664326022124 is an abundant number, since it is smaller than the sum of its proper divisors (2219416334356).

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

1664326022124 is a wasteful number, since it uses less digits than its factorization.

1664326022124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11248989 (or 11248987 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 1664326022124 in words is "one trillion, six hundred sixty-four billion, three hundred twenty-six million, twenty-two thousand, one hundred twenty-four".