10621666743 has 16 divisors (see below), whose sum is σ = 14331582720. Its totient is φ = 6996669696.

The previous prime is 10621666739. The next prime is 10621666751. The reversal of 10621666743 is 34766612601.

It is not a de Polignac number, because 10621666743 - 2² = 10621666739 is a prime.

It is a super-2 number, since 2×10621666743² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10621666695 and 10621666704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621666703) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 150646 + ... + 209612.

It is an arithmetic number, because the mean of its divisors is an integer number (895723920).

Almost surely, 2^10621666743 is an apocalyptic number.

10621666743 is a deficient number, since it is larger than the sum of its proper divisors (3709915977).

10621666743 is an equidigital number, since it uses as much as digits as its factorization.

10621666743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59686.

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 10621666743 in words is "ten billion, six hundred twenty-one million, six hundred sixty-six thousand, seven hundred forty-three".