66006145355 has 8 divisors (see below), whose sum is σ = 79812011664. Its totient is φ = 52401824800.

The previous prime is 66006145339. The next prime is 66006145367. The reversal of 66006145355 is 55354160066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66006145355 - 2⁴ = 66006145339 is a prime.

It is a super-2 number, since 2×66006145355² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50385716 + ... + 50387025.

It is an arithmetic number, because the mean of its divisors is an integer number (9976501458).

Almost surely, 2^66006145355 is an apocalyptic number.

66006145355 is a deficient number, since it is larger than the sum of its proper divisors (13805866309).

66006145355 is a wasteful number, since it uses less digits than its factorization.

66006145355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100772877.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 66006145355 in words is "sixty-six billion, six million, one hundred forty-five thousand, three hundred fifty-five".