1664011412588 has 24 divisors (see below), whose sum is σ = 3331791869952. Its totient is φ = 712340095824.

The previous prime is 1664011412587. The next prime is 1664011412629. The reversal of 1664011412588 is 8852141104661.

It is a super-2 number, since 2×1664011412588² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1664011412587) 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, 33627020 + ... + 33676467.

It is an arithmetic number, because the mean of its divisors is an integer number (138824661248).

Almost surely, 2^{1664011412588} is an apocalyptic number.

It is an amenable number.

1664011412588 is an abundant number, since it is smaller than the sum of its proper divisors (1667780457364).

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

1664011412588 is a wasteful number, since it uses less digits than its factorization.

1664011412588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67304381 (or 67304379 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 47.

The spelling of 1664011412588 in words is "one trillion, six hundred sixty-four billion, eleven million, four hundred twelve thousand, five hundred eighty-eight".