10206452665643 has 16 divisors (see below), whose sum is σ = 11015291056896. Its totient is φ = 9401010183840.

The previous prime is 10206452665637. The next prime is 10206452665663. The reversal of 10206452665643 is 34656625460201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10206452665643 is a prime.

It is a super-2 number, since 2×10206452665643² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10206452665591 and 10206452665600.

It is not an unprimeable number, because it can be changed into a prime (10206452665603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39176096 + ... + 39435762.

It is an arithmetic number, because the mean of its divisors is an integer number (688455691056).

Almost surely, 2^{10206452665643} is an apocalyptic number.

10206452665643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10206452665643 is a deficient number, since it is larger than the sum of its proper divisors (808838391253).

10206452665643 is a wasteful number, since it uses less digits than its factorization.

10206452665643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266194.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 10206452665643 in words is "ten trillion, two hundred six billion, four hundred fifty-two million, six hundred sixty-five thousand, six hundred forty-three".