666062351 has 4 divisors (see below), whose sum is σ = 674493600. Its totient is φ = 657631104.

The previous prime is 666062339. The next prime is 666062357. The reversal of 666062351 is 153260666.

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

It is a cyclic number.

It is not a de Polignac number, because 666062351 - 2¹⁸ = 665800207 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 (666062357) 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, 4215506 + ... + 4215663.

It is an arithmetic number, because the mean of its divisors is an integer number (168623400).

Almost surely, 2^666062351 is an apocalyptic number.

666062351 is a deficient number, since it is larger than the sum of its proper divisors (8431249).

666062351 is an equidigital number, since it uses as much as digits as its factorization.

666062351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8431248.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 666062351 is about 25808.1837989425. The cubic root of 666062351 is about 873.3164257583.

The spelling of 666062351 in words is "six hundred sixty-six million, sixty-two thousand, three hundred fifty-one".