66567146145 has 32 divisors (see below), whose sum is σ = 109985541120. Its totient is φ = 34343992320.

The previous prime is 66567146111. The next prime is 66567146189. The reversal of 66567146145 is 54164176566.

It is not a de Polignac number, because 66567146145 - 2⁶ = 66567146081 is a prime.

It is a super-2 number, since 2×66567146145² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1242757 + ... + 1295213.

It is an arithmetic number, because the mean of its divisors is an integer number (3437048160).

Almost surely, 2^66567146145 is an apocalyptic number.

It is an amenable number.

66567146145 is a deficient number, since it is larger than the sum of its proper divisors (43418394975).

66567146145 is a wasteful number, since it uses less digits than its factorization.

66567146145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55225.

The product of its digits is 3628800, while the sum is 51.

The spelling of 66567146145 in words is "sixty-six billion, five hundred sixty-seven million, one hundred forty-six thousand, one hundred forty-five".