64804833840846 has 16 divisors (see below), whose sum is σ = 141392364743808. Its totient is φ = 19637828436600.

The previous prime is 64804833840793. The next prime is 64804833840853.

64804833840846 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 981891421831 = 64804833840846 / (6 + 4 + 8 + 0 + 4 + 8 + 3 + 3 + 8 + 4 + 0 + 8 + 4 + 6).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490945710850 + ... + 490945710981.

It is an arithmetic number, because the mean of its divisors is an integer number (8837022796488).

Almost surely, 2^{64804833840846} is an apocalyptic number.

64804833840846 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64804833840846 is an abundant number, since it is smaller than the sum of its proper divisors (76587530902962).

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

64804833840846 is a wasteful number, since it uses less digits than its factorization.

64804833840846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981891421847.

The product of its (nonzero) digits is 339738624, while the sum is 66.

The spelling of 64804833840846 in words is "sixty-four trillion, eight hundred four billion, eight hundred thirty-three million, eight hundred forty thousand, eight hundred forty-six".