64803161782 has 16 divisors (see below), whose sum is σ = 100394914752. Its totient is φ = 31352275080.

The previous prime is 64803161749. The next prime is 64803161789. The reversal of 64803161782 is 28716130846.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64803161789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3511944 + ... + 3530347.

It is an arithmetic number, because the mean of its divisors is an integer number (6274682172).

Almost surely, 2^64803161782 is an apocalyptic number.

64803161782 is a deficient number, since it is larger than the sum of its proper divisors (35591752970).

64803161782 is a wasteful number, since it uses less digits than its factorization.

64803161782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7042443.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 64803161782 in words is "sixty-four billion, eight hundred three million, one hundred sixty-one thousand, seven hundred eighty-two".