66356104541 has 8 divisors (see below), whose sum is σ = 66631561920. Its totient is φ = 66081032928.

The previous prime is 66356104523. The next prime is 66356104553. The reversal of 66356104541 is 14540165366.

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

It is a cyclic number.

It is not a de Polignac number, because 66356104541 - 2²⁶ = 66288995677 is a prime.

It is a super-2 number, since 2×66356104541² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66356106541) 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, 250880 + ... + 442326.

It is an arithmetic number, because the mean of its divisors is an integer number (8328945240).

Almost surely, 2^66356104541 is an apocalyptic number.

It is an amenable number.

66356104541 is a deficient number, since it is larger than the sum of its proper divisors (275457379).

66356104541 is a wasteful number, since it uses less digits than its factorization.

66356104541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192883.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 66356104541 in words is "sixty-six billion, three hundred fifty-six million, one hundred four thousand, five hundred forty-one".