66124097 has 8 divisors (see below), whose sum is σ = 71842344. Its totient is φ = 60496128.

The previous prime is 66124081. The next prime is 66124099. The reversal of 66124097 is 79042166.

It can be written as a sum of positive squares in 4 ways, for example, as 11895601 + 54228496 = 3449^2 + 7364^2 .

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 66124097 - 2⁴ = 66124081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66124099) 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, 21038 + ... + 23975.

It is an arithmetic number, because the mean of its divisors is an integer number (8980293).

Almost surely, 2^66124097 is an apocalyptic number.

It is an amenable number.

66124097 is a deficient number, since it is larger than the sum of its proper divisors (5718247).

66124097 is a wasteful number, since it uses less digits than its factorization.

66124097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45139.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 66124097 is about 8131.6724602015. The cubic root of 66124097 is about 404.3771292192.

The spelling of 66124097 in words is "sixty-six million, one hundred twenty-four thousand, ninety-seven".