66737007003 has 8 divisors (see below), whose sum is σ = 89161000000. Its totient is φ = 44402176008.

The previous prime is 66737006927. The next prime is 66737007031. The reversal of 66737007003 is 30070073766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66737007003 - 2¹² = 66737002907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66737007803) 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, 22288753 + ... + 22291746.

It is an arithmetic number, because the mean of its divisors is an integer number (11145125000).

Almost surely, 2^66737007003 is an apocalyptic number.

66737007003 is a deficient number, since it is larger than the sum of its proper divisors (22423992997).

66737007003 is a wasteful number, since it uses less digits than its factorization.

66737007003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44581001.

The product of its (nonzero) digits is 111132, while the sum is 39.

The spelling of 66737007003 in words is "sixty-six billion, seven hundred thirty-seven million, seven thousand, three".