316609211906 has 16 divisors (see below), whose sum is σ = 511594083000. Its totient is φ = 146084919168.

The previous prime is 316609211887. The next prime is 316609211959. The reversal of 316609211906 is 609112906613.

It can be written as a sum of positive squares in 4 ways, for example, as 120766675225 + 195842536681 = 347515^2 + 442541^2 .

It is a Curzon number.

It is an unprimeable number.

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, 1675661 + ... + 1855008.

Almost surely, 2^316609211906 is an apocalyptic number.

316609211906 is a deficient number, since it is larger than the sum of its proper divisors (194984871094).

316609211906 is a wasteful number, since it uses less digits than its factorization.

316609211906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534133.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 316609211906 in words is "three hundred sixteen billion, six hundred nine million, two hundred eleven thousand, nine hundred six".