66541150323 has 10 divisors (see below), whose sum is σ = 99400977764. Its totient is φ = 44360766828.

The previous prime is 66541150309. The next prime is 66541150373. The reversal of 66541150323 is 32305114566.

66541150323 is a `hidden beast` number, since 66 + 541 + 1 + 50 + 3 + 2 + 3 = 666.

It is not a de Polignac number, because 66541150323 - 2⁶ = 66541150259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66541150373) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 410747761 + ... + 410747922.

Almost surely, 2^66541150323 is an apocalyptic number.

66541150323 is a deficient number, since it is larger than the sum of its proper divisors (32859827441).

66541150323 is an equidigital number, since it uses as much as digits as its factorization.

66541150323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821495695 (or 821495686 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 66541150323 its reverse (32305114566), we get a palindrome (98846264889).

The spelling of 66541150323 in words is "sixty-six billion, five hundred forty-one million, one hundred fifty thousand, three hundred twenty-three".