6366646526041 has 4 divisors (see below), whose sum is σ = 6381018189072. Its totient is φ = 6352274863012.

The previous prime is 6366646526039. The next prime is 6366646526069. The reversal of 6366646526041 is 1406256466636.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6366646526041 - 2¹ = 6366646526039 is a prime.

It is a super-2 number, since 2×6366646526041² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6366646526641) 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, 7185830851 + ... + 7185831736.

It is an arithmetic number, because the mean of its divisors is an integer number (1595254547268).

Almost surely, 2^{6366646526041} is an apocalyptic number.

It is an amenable number.

6366646526041 is a deficient number, since it is larger than the sum of its proper divisors (14371663031).

6366646526041 is a wasteful number, since it uses less digits than its factorization.

6366646526041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14371663030.

The product of its (nonzero) digits is 22394880, while the sum is 55.

The spelling of 6366646526041 in words is "six trillion, three hundred sixty-six billion, six hundred forty-six million, five hundred twenty-six thousand, forty-one".