66360701 has 4 divisors (see below), whose sum is σ = 72393504. Its totient is φ = 60327900.

The previous prime is 66360661. The next prime is 66360703. The reversal of 66360701 is 10706366.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66360701 is a prime.

It is a super-2 number, since 2×66360701² = 8807485274422802, which 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 (66360703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3016385 + ... + 3016406.

It is an arithmetic number, because the mean of its divisors is an integer number (18098376).

Almost surely, 2^66360701 is an apocalyptic number.

It is an amenable number.

66360701 is a deficient number, since it is larger than the sum of its proper divisors (6032803).

66360701 is a wasteful number, since it uses less digits than its factorization.

66360701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032802.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 66360701 is about 8146.2077680354. The cubic root of 66360701 is about 404.8588666396.

The spelling of 66360701 in words is "sixty-six million, three hundred sixty thousand, seven hundred one".