1664434010452 has 24 divisors (see below), whose sum is σ = 3019849333760. Its totient is φ = 801854376480.

The previous prime is 1664434010443. The next prime is 1664434010453. The reversal of 1664434010452 is 2540104344661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1664434010453) 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, 29279148 + ... + 29335939.

Almost surely, 2^{1664434010452} is an apocalyptic number.

It is an amenable number.

1664434010452 is a deficient number, since it is larger than the sum of its proper divisors (1355415323308).

1664434010452 is a wasteful number, since it uses less digits than its factorization.

1664434010452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58615351 (or 58615349 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 1664434010452 in words is "one trillion, six hundred sixty-four billion, four hundred thirty-four million, ten thousand, four hundred fifty-two".