66146424355 has 16 divisors (see below), whose sum is σ = 87884100864. Its totient is φ = 47388480480.

The previous prime is 66146424353. The next prime is 66146424361. The reversal of 66146424355 is 55342464166.

66146424355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66146424355 - 2¹ = 66146424353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66146424353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8971407 + ... + 8978776.

It is an arithmetic number, because the mean of its divisors is an integer number (5492756304).

Almost surely, 2^66146424355 is an apocalyptic number.

66146424355 is a deficient number, since it is larger than the sum of its proper divisors (21737676509).

66146424355 is a wasteful number, since it uses less digits than its factorization.

66146424355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17950266.

The product of its digits is 2073600, while the sum is 46.

The spelling of 66146424355 in words is "sixty-six billion, one hundred forty-six million, four hundred twenty-four thousand, three hundred fifty-five".