66024461 has 8 divisors (see below), whose sum is σ = 66838200. Its totient is φ = 65214720.

The previous prime is 66024437. The next prime is 66024499. The reversal of 66024461 is 16442066.

It can be written as a sum of positive squares in 4 ways, for example, as 27510025 + 38514436 = 5245^2 + 6206^2 .

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 66024461 - 2¹⁴ = 66008077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66024661) 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, 43841 + ... + 45321.

It is an arithmetic number, because the mean of its divisors is an integer number (8354775).

Almost surely, 2^66024461 is an apocalyptic number.

It is an amenable number.

66024461 is a deficient number, since it is larger than the sum of its proper divisors (813739).

66024461 is a wasteful number, since it uses less digits than its factorization.

66024461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 66024461 is about 8125.5437356524. The cubic root of 66024461 is about 404.1739215382.

The spelling of 66024461 in words is "sixty-six million, twenty-four thousand, four hundred sixty-one".