66132158401 has 8 divisors (see below), whose sum is σ = 66247372800. Its totient is φ = 66017045472.

The previous prime is 66132158387. The next prime is 66132158431. The reversal of 66132158401 is 10485123166.

It is a happy number.

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 66132158401 - 2¹³ = 66132150209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66132158431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1342656 + ... + 1391038.

It is an arithmetic number, because the mean of its divisors is an integer number (8280921600).

Almost surely, 2^66132158401 is an apocalyptic number.

It is an amenable number.

66132158401 is a deficient number, since it is larger than the sum of its proper divisors (115214399).

66132158401 is a wasteful number, since it uses less digits than its factorization.

66132158401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50735.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 66132158401 in words is "sixty-six billion, one hundred thirty-two million, one hundred fifty-eight thousand, four hundred one".