65041899663 has 64 divisors (see below), whose sum is σ = 102713425920. Its totient is φ = 36224496000.

The previous prime is 65041899613. The next prime is 65041899679. The reversal of 65041899663 is 36699814056.

It is not a de Polignac number, because 65041899663 - 2⁶ = 65041899599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65041899613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16887688 + ... + 16891538.

It is an arithmetic number, because the mean of its divisors is an integer number (1604897280).

Almost surely, 2^65041899663 is an apocalyptic number.

65041899663 is a deficient number, since it is larger than the sum of its proper divisors (37671526257).

65041899663 is a wasteful number, since it uses less digits than its factorization.

65041899663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900.

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 65041899663 in words is "sixty-five billion, forty-one million, eight hundred ninety-nine thousand, six hundred sixty-three".