41664263646 has 64 divisors (see below), whose sum is σ = 90367819776. Its totient is φ = 12757056000.

The previous prime is 41664263633. The next prime is 41664263647. The reversal of 41664263646 is 64636246614.

It is a junction number, because it is equal to n+sod(n) for n = 41664263595 and 41664263604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41664263647) 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, 1012371 + ... + 1052721.

It is an arithmetic number, because the mean of its divisors is an integer number (1411997184).

Almost surely, 2^41664263646 is an apocalyptic number.

41664263646 is an abundant number, since it is smaller than the sum of its proper divisors (48703556130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41664263646 is a wasteful number, since it uses less digits than its factorization.

41664263646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40617.

The product of its digits is 2985984, while the sum is 48.

The spelling of 41664263646 in words is "forty-one billion, six hundred sixty-four million, two hundred sixty-three thousand, six hundred forty-six".