64184648340782 has 16 divisors (see below), whose sum is σ = 100580063012352. Its totient is φ = 30682906122360.

The previous prime is 64184648340749. The next prime is 64184648340811. The reversal of 64184648340782 is 28704384648146.

It is a happy 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, 6236357888 + ... + 6236368179.

It is an arithmetic number, because the mean of its divisors is an integer number (6286253938272).

Almost surely, 2^{64184648340782} is an apocalyptic number.

64184648340782 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

64184648340782 is a deficient number, since it is larger than the sum of its proper divisors (36395414671570).

64184648340782 is a wasteful number, since it uses less digits than its factorization.

64184648340782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12472726183.

The product of its (nonzero) digits is 198180864, while the sum is 65.

The spelling of 64184648340782 in words is "sixty-four trillion, one hundred eighty-four billion, six hundred forty-eight million, three hundred forty thousand, seven hundred eighty-two".