41026262061661 has 4 divisors (see below), whose sum is σ = 41143815821500. Its totient is φ = 40908708301824.

The previous prime is 41026262061641. The next prime is 41026262061721. The reversal of 41026262061661 is 16616026262014.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19546921016100 + 21479341045561 = 4421190^2 + 4634581^2 .

It is a cyclic number.

It is not a de Polignac number, because 41026262061661 - 2²⁷ = 41026127843933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41026262061641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58776879396 + ... + 58776880093.

It is an arithmetic number, because the mean of its divisors is an integer number (10285953955375).

Almost surely, 2^{41026262061661} is an apocalyptic number.

It is an amenable number.

41026262061661 is a deficient number, since it is larger than the sum of its proper divisors (117553759839).

41026262061661 is a wasteful number, since it uses less digits than its factorization.

41026262061661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117553759838.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 41026262061661 in words is "forty-one trillion, twenty-six billion, two hundred sixty-two million, sixty-one thousand, six hundred sixty-one".