66117514413 has 8 divisors (see below), whose sum is σ = 90539299168. Its totient is φ = 42887036304.

The previous prime is 66117514403. The next prime is 66117514433. The reversal of 66117514413 is 31441571166.

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

It is not a de Polignac number, because 66117514413 - 2⁶ = 66117514349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66117514403) 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, 297826531 + ... + 297826752.

It is an arithmetic number, because the mean of its divisors is an integer number (11317412396).

Almost surely, 2^66117514413 is an apocalyptic number.

It is an amenable number.

66117514413 is a deficient number, since it is larger than the sum of its proper divisors (24421784755).

66117514413 is a wasteful number, since it uses less digits than its factorization.

66117514413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595653323.

The product of its digits is 60480, while the sum is 39.

The spelling of 66117514413 in words is "sixty-six billion, one hundred seventeen million, five hundred fourteen thousand, four hundred thirteen".