2351664446212 has 24 divisors (see below), whose sum is σ = 4134260380320. Its totient is φ = 1170453473280.

The previous prime is 2351664446207. The next prime is 2351664446227. The reversal of 2351664446212 is 2126444661532.

It is a super-2 number, since 2×2351664446212² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715887 + ... + 2283817.

It is an arithmetic number, because the mean of its divisors is an integer number (172260849180).

Almost surely, 2^{2351664446212} is an apocalyptic number.

It is an amenable number.

2351664446212 is a deficient number, since it is larger than the sum of its proper divisors (1782595934108).

2351664446212 is a wasteful number, since it uses less digits than its factorization.

2351664446212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569651 (or 1569649 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 46.

The spelling of 2351664446212 in words is "two trillion, three hundred fifty-one billion, six hundred sixty-four million, four hundred forty-six thousand, two hundred twelve".