66014497 has 4 divisors (see below), whose sum is σ = 66999856. Its totient is φ = 65029140.

The previous prime is 66014491. The next prime is 66014513. The reversal of 66014497 is 79441066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79441066 = 2 ⋅39720533.

It is a cyclic number.

It is not a de Polignac number, because 66014497 - 2⁷ = 66014369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66014491) 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, 492579 + ... + 492712.

It is an arithmetic number, because the mean of its divisors is an integer number (16749964).

Almost surely, 2^66014497 is an apocalyptic number.

66014497 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

66014497 is a deficient number, since it is larger than the sum of its proper divisors (985359).

66014497 is an equidigital number, since it uses as much as digits as its factorization.

66014497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985358.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 66014497 is about 8124.9305843189. The cubic root of 66014497 is about 404.1535887125.

The spelling of 66014497 in words is "sixty-six million, fourteen thousand, four hundred ninety-seven".