41666606945061 has 32 divisors (see below), whose sum is σ = 66257506787328. Its totient is φ = 22772571000960.

The previous prime is 41666606945059. The next prime is 41666606945071. The reversal of 41666606945061 is 16054960666614.

It is a happy number.

It is not a de Polignac number, because 41666606945061 - 2¹ = 41666606945059 is a prime.

It is a super-2 number, since 2×41666606945061² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 41666606944986 and 41666606945004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41666606945011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3137860 + ... + 9652946.

It is an arithmetic number, because the mean of its divisors is an integer number (2070547087104).

Almost surely, 2^{41666606945061} is an apocalyptic number.

It is an amenable number.

41666606945061 is a deficient number, since it is larger than the sum of its proper divisors (24590899842267).

41666606945061 is a wasteful number, since it uses less digits than its factorization.

41666606945061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528361.

The product of its (nonzero) digits is 33592320, while the sum is 60.

The spelling of 41666606945061 in words is "forty-one trillion, six hundred sixty-six billion, six hundred six million, nine hundred forty-five thousand, sixty-one".