66014534 has 4 divisors (see below), whose sum is σ = 99021804. Its totient is φ = 33007266.

The previous prime is 66014513. The next prime is 66014537. The reversal of 66014534 is 43541066.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66014497 and 66014506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66014537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16503632 + ... + 16503635.

It is an arithmetic number, because the mean of its divisors is an integer number (24755451).

Almost surely, 2^66014534 is an apocalyptic number.

66014534 is a deficient number, since it is larger than the sum of its proper divisors (33007270).

66014534 is a wasteful number, since it uses less digits than its factorization.

66014534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33007269.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 66014534 is about 8124.9328612611. The cubic root of 66014534 is about 404.1536642196.

The spelling of 66014534 in words is "sixty-six million, fourteen thousand, five hundred thirty-four".