10816638266451 has 16 divisors (see below), whose sum is σ = 15281768333088. Its totient is φ = 6781923532800.

The previous prime is 10816638266419. The next prime is 10816638266479. The reversal of 10816638266451 is 15466283661801.

It is a happy number.

It is not a de Polignac number, because 10816638266451 - 2⁵ = 10816638266419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10816638266391 and 10816638266400.

It is not an unprimeable number, because it can be changed into a prime (10816638266491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77847910 + ... + 77986731.

It is an arithmetic number, because the mean of its divisors is an integer number (955110520818).

Almost surely, 2^{10816638266451} is an apocalyptic number.

10816638266451 is a deficient number, since it is larger than the sum of its proper divisors (4465130066637).

10816638266451 is a wasteful number, since it uses less digits than its factorization.

10816638266451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155836022.

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 10816638266451 in words is "ten trillion, eight hundred sixteen billion, six hundred thirty-eight million, two hundred sixty-six thousand, four hundred fifty-one".