10644667327775 has 24 divisors (see below), whose sum is σ = 14215047303744. Its totient is φ = 7860499171200.

The previous prime is 10644667327687. The next prime is 10644667327823. The reversal of 10644667327775 is 57772376644601.

It is not a de Polignac number, because 10644667327775 - 2³⁶ = 10575947851039 is a prime.

It is a super-2 number, since 2×10644667327775² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14955485 + ... + 15651065.

It is an arithmetic number, because the mean of its divisors is an integer number (592293637656).

Almost surely, 2^{10644667327775} is an apocalyptic number.

10644667327775 is a deficient number, since it is larger than the sum of its proper divisors (3570379975969).

10644667327775 is a wasteful number, since it uses less digits than its factorization.

10644667327775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742691 (or 742686 counting only the distinct ones).

The product of its (nonzero) digits is 248935680, while the sum is 65.

The spelling of 10644667327775 in words is "ten trillion, six hundred forty-four billion, six hundred sixty-seven million, three hundred twenty-seven thousand, seven hundred seventy-five".