66733407333 has 64 divisors (see below), whose sum is σ = 109019520000. Its totient is φ = 40155558912.

The previous prime is 66733407283. The next prime is 66733407371. The reversal of 66733407333 is 33370433766.

It is not a de Polignac number, because 66733407333 - 2¹³ = 66733399141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66733407373) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1966516 + ... + 2000162.

It is an arithmetic number, because the mean of its divisors is an integer number (1703430000).

Almost surely, 2^66733407333 is an apocalyptic number.

It is an amenable number.

66733407333 is a deficient number, since it is larger than the sum of its proper divisors (42286112667).

66733407333 is a wasteful number, since it uses less digits than its factorization.

66733407333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33851 (or 33845 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 45.

The spelling of 66733407333 in words is "sixty-six billion, seven hundred thirty-three million, four hundred seven thousand, three hundred thirty-three".