66433624054 has 96 divisors (see below), whose sum is σ = 120960967680. Its totient is φ = 27264384000.

The previous prime is 66433624039. The next prime is 66433624069. The reversal of 66433624054 is 45042633466.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66433624039) and next prime (66433624069).

It is a self number, because there is not a number n which added to its sum of digits gives 66433624054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51538242 + ... + 51539530.

It is an arithmetic number, because the mean of its divisors is an integer number (1260010080).

Almost surely, 2^66433624054 is an apocalyptic number.

66433624054 is a deficient number, since it is larger than the sum of its proper divisors (54527343626).

66433624054 is a wasteful number, since it uses less digits than its factorization.

66433624054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1567 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 66433624054 in words is "sixty-six billion, four hundred thirty-three million, six hundred twenty-four thousand, fifty-four".