666062131 has 8 divisors (see below), whose sum is σ = 778916864. Its totient is φ = 557633160.

The previous prime is 666062113. The next prime is 666062143. The reversal of 666062131 is 131260666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 666062131 - 2⁵ = 666062099 is a prime.

It is a super-2 number, since 2×666062131² = 887277524704522322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 666062093 and 666062102.

It is not an unprimeable number, because it can be changed into a prime (666062161) 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 7 ways as a sum of consecutive naturals, for example, 1106115 + ... + 1106716.

It is an arithmetic number, because the mean of its divisors is an integer number (97364608).

Almost surely, 2^666062131 is an apocalyptic number.

666062131 is a deficient number, since it is larger than the sum of its proper divisors (112854733).

666062131 is a wasteful number, since it uses less digits than its factorization.

666062131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212881.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 666062131 is about 25808.1795367283. The cubic root of 666062131 is about 873.3163296063.

The spelling of 666062131 in words is "six hundred sixty-six million, sixty-two thousand, one hundred thirty-one".