64854533545846 has 16 divisors (see below), whose sum is σ = 106126508747088. Its totient is φ = 29479081096800.

The previous prime is 64854533545799. The next prime is 64854533545859.

64854533545846 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64854533545846² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9975765 + ... + 15140176.

It is an arithmetic number, because the mean of its divisors is an integer number (6632906796693).

Almost surely, 2^{64854533545846} is an apocalyptic number.

64854533545846 is a deficient number, since it is larger than the sum of its proper divisors (41271975201242).

64854533545846 is a wasteful number, since it uses less digits than its factorization.

64854533545846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25233327.

The product of its digits is 3317760000, while the sum is 70.

The spelling of 64854533545846 in words is "sixty-four trillion, eight hundred fifty-four billion, five hundred thirty-three million, five hundred forty-five thousand, eight hundred forty-six".