66182054401 has 8 divisors (see below), whose sum is σ = 68420901824. Its totient is φ = 63966898800.

The previous prime is 66182054377. The next prime is 66182054413. The reversal of 66182054401 is 10445028166.

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 66182054401 - 2⁵ = 66182054369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66182054441) 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, 5917275 + ... + 5928448.

It is an arithmetic number, because the mean of its divisors is an integer number (8552612728).

Almost surely, 2^66182054401 is an apocalyptic number.

It is an amenable number.

66182054401 is a deficient number, since it is larger than the sum of its proper divisors (2238847423).

66182054401 is a wasteful number, since it uses less digits than its factorization.

66182054401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11845911.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 66182054401 in words is "sixty-six billion, one hundred eighty-two million, fifty-four thousand, four hundred one".