671081430122 has 4 divisors (see below), whose sum is σ = 1006622145186. Its totient is φ = 335540715060.

The previous prime is 671081430091. The next prime is 671081430137. The reversal of 671081430122 is 221034180176.

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

It can be written as a sum of positive squares in only one way, i.e., 351541082281 + 319540347841 = 592909^2 + 565279^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167770357529 + ... + 167770357532.

Almost surely, 2^671081430122 is an apocalyptic number.

671081430122 is a deficient number, since it is larger than the sum of its proper divisors (335540715064).

671081430122 is a wasteful number, since it uses less digits than its factorization.

671081430122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335540715063.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 671081430122 in words is "six hundred seventy-one billion, eighty-one million, four hundred thirty thousand, one hundred twenty-two".