41638066867 has 16 divisors (see below), whose sum is σ = 44341862400. Its totient is φ = 38963075200.

The previous prime is 41638066849. The next prime is 41638066879. The reversal of 41638066867 is 76866083614.

It is not a de Polignac number, because 41638066867 - 2⁷ = 41638066739 is a prime.

It is a super-2 number, since 2×41638066867² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41638066567) 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, 2669742 + ... + 2685292.

It is an arithmetic number, because the mean of its divisors is an integer number (2771366400).

Almost surely, 2^41638066867 is an apocalyptic number.

41638066867 is a deficient number, since it is larger than the sum of its proper divisors (2703795533).

41638066867 is a wasteful number, since it uses less digits than its factorization.

41638066867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16466.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 41638066867 in words is "forty-one billion, six hundred thirty-eight million, sixty-six thousand, eight hundred sixty-seven".