66001627 has 4 divisors (see below), whose sum is σ = 66064896. Its totient is φ = 65938360.

The previous prime is 66001609. The next prime is 66001631. The reversal of 66001627 is 72610066.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72610066 = 2 ⋅36305033.

It is a cyclic number.

It is not a de Polignac number, because 66001627 - 2²³ = 57613019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66001595 and 66001604.

It is not an unprimeable number, because it can be changed into a prime (66001657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30043 + ... + 32164.

It is an arithmetic number, because the mean of its divisors is an integer number (16516224).

Almost surely, 2^66001627 is an apocalyptic number.

66001627 is a deficient number, since it is larger than the sum of its proper divisors (63269).

66001627 is a wasteful number, since it uses less digits than its factorization.

66001627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63268.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 66001627 is about 8124.1385389468. The cubic root of 66001627 is about 404.1273227913.

The spelling of 66001627 in words is "sixty-six million, one thousand, six hundred twenty-seven".