63816065044001 has 16 divisors (see below), whose sum is σ = 65374925282304. Its totient is φ = 62260615028304.

The previous prime is 63816065043947. The next prime is 63816065044031. The reversal of 63816065044001 is 10044056061836.

It is a de Polignac number, because none of the positive numbers 2^k-63816065044001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63816065044031) 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, 502555820 + ... + 502682786.

It is an arithmetic number, because the mean of its divisors is an integer number (4085932830144).

Almost surely, 2^{63816065044001} is an apocalyptic number.

It is an amenable number.

63816065044001 is a deficient number, since it is larger than the sum of its proper divisors (1558860238303).

63816065044001 is a wasteful number, since it uses less digits than its factorization.

63816065044001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140300.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 63816065044001 in words is "sixty-three trillion, eight hundred sixteen billion, sixty-five million, forty-four thousand, one".