66434562425452 has 48 divisors (see below), whose sum is σ = 129541505486400. Its totient is φ = 29600096520960.

The previous prime is 66434562425449. The next prime is 66434562425461. The reversal of 66434562425452 is 25452426543466.

It is a super-2 number, since 2×66434562425452² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

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, 6026674 + ... + 13007302.

It is an arithmetic number, because the mean of its divisors is an integer number (2698781364300).

Almost surely, 2^{66434562425452} is an apocalyptic number.

It is an amenable number.

66434562425452 is a deficient number, since it is larger than the sum of its proper divisors (63106943060948).

66434562425452 is a wasteful number, since it uses less digits than its factorization.

66434562425452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986986 (or 6986984 counting only the distinct ones).

The product of its digits is 165888000, while the sum is 58.

The spelling of 66434562425452 in words is "sixty-six trillion, four hundred thirty-four billion, five hundred sixty-two million, four hundred twenty-five thousand, four hundred fifty-two".