66300014069 has 4 divisors (see below), whose sum is σ = 66327861900. Its totient is φ = 66272166240.

The previous prime is 66300014051. The next prime is 66300014087. The reversal of 66300014069 is 96041000366.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (66300014051) and next prime (66300014087).

It can be written as a sum of positive squares in 2 ways, for example, as 23305991569 + 42994022500 = 152663^2 + 207350^2 .

It is a cyclic number.

It is not a de Polignac number, because 66300014069 - 2²⁰ = 66298965493 is a prime.

It is a super-2 number, since 2×66300014069² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66300014089) 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, 13920344 + ... + 13925105.

It is an arithmetic number, because the mean of its divisors is an integer number (16581965475).

Almost surely, 2^66300014069 is an apocalyptic number.

It is an amenable number.

66300014069 is a deficient number, since it is larger than the sum of its proper divisors (27847831).

66300014069 is a wasteful number, since it uses less digits than its factorization.

66300014069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27847830.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 66300014069 in words is "sixty-six billion, three hundred million, fourteen thousand, sixty-nine".