10421316646 has 16 divisors (see below), whose sum is σ = 16840487664. Its totient is φ = 4808109024.

The previous prime is 10421316637. The next prime is 10421316683. The reversal of 10421316646 is 64661312401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3121 + ... + 144403.

It is an arithmetic number, because the mean of its divisors is an integer number (1052530479).

Almost surely, 2^10421316646 is an apocalyptic number.

10421316646 is a deficient number, since it is larger than the sum of its proper divisors (6419171018).

10421316646 is a wasteful number, since it uses less digits than its factorization.

10421316646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144135.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 10421316646 in words is "ten billion, four hundred twenty-one million, three hundred sixteen thousand, six hundred forty-six".