66462028024 has 32 divisors (see below), whose sum is σ = 143801349120. Its totient is φ = 28207182816.

The previous prime is 66462028019. The next prime is 66462028027. The reversal of 66462028024 is 42082026466.

It is a super-2 number, since 2×66462028024² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66462028027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5755504 + ... + 5767039.

It is an arithmetic number, because the mean of its divisors is an integer number (4493792160).

Almost surely, 2^66462028024 is an apocalyptic number.

It is an amenable number.

66462028024 is an abundant number, since it is smaller than the sum of its proper divisors (77339321096).

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

66462028024 is a wasteful number, since it uses less digits than its factorization.

66462028024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11522659 (or 11522655 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 66462028024 in words is "sixty-six billion, four hundred sixty-two million, twenty-eight thousand, twenty-four".