666062051 has 4 divisors (see below), whose sum is σ = 680233632. Its totient is φ = 651890472.

The previous prime is 666062039. The next prime is 666062069. The reversal of 666062051 is 150260666.

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 666062051 - 2¹⁸ = 665799907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 666061999 and 666062017.

It is not an unprimeable number, because it can be changed into a prime (666062011) 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, 7085720 + ... + 7085813.

It is an arithmetic number, because the mean of its divisors is an integer number (170058408).

Almost surely, 2^666062051 is an apocalyptic number.

666062051 is a deficient number, since it is larger than the sum of its proper divisors (14171581).

666062051 is a wasteful number, since it uses less digits than its factorization.

666062051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14171580.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 666062051 is about 25808.1779868320. The cubic root of 666062051 is about 873.3162946420.

The spelling of 666062051 in words is "six hundred sixty-six million, sixty-two thousand, fifty-one".