142666676804 has 24 divisors (see below), whose sum is σ = 257169186456. Its totient is φ = 69208992000.

The previous prime is 142666676783. The next prime is 142666676807. The reversal of 142666676804 is 408676666241.

It can be written as a sum of positive squares in 4 ways, for example, as 38260142404 + 104406534400 = 195602^2 + 323120^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142666676804.

It is not an unprimeable number, because it can be changed into a prime (142666676807) 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, 2373407 + ... + 2432774.

It is an arithmetic number, because the mean of its divisors is an integer number (10715382769).

Almost surely, 2^142666676804 is an apocalyptic number.

It is an amenable number.

142666676804 is a deficient number, since it is larger than the sum of its proper divisors (114502509652).

142666676804 is a wasteful number, since it uses less digits than its factorization.

142666676804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806407 (or 4806405 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 142666676804 in words is "one hundred forty-two billion, six hundred sixty-six million, six hundred seventy-six thousand, eight hundred four".