66514001 has 8 divisors (see below), whose sum is σ = 67389504. Its totient is φ = 65643120.

The previous prime is 66513989. The next prime is 66514039. The reversal of 66514001 is 10041566.

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

It is a cyclic number.

It is not a de Polignac number, because 66514001 - 2¹⁴ = 66497617 is a prime.

It is a super-2 number, since 2×66514001² = 8848224658056002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66514501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34811 + ... + 36671.

It is an arithmetic number, because the mean of its divisors is an integer number (8423688).

Almost surely, 2^66514001 is an apocalyptic number.

It is an amenable number.

66514001 is a deficient number, since it is larger than the sum of its proper divisors (875503).

66514001 is a wasteful number, since it uses less digits than its factorization.

66514001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 66514001 is about 8155.6116263589. The cubic root of 66514001 is about 405.1703820019.

Adding to 66514001 its reverse (10041566), we get a palindrome (76555567).

The spelling of 66514001 in words is "sixty-six million, five hundred fourteen thousand, one".