64156982380082 has 16 divisors (see below), whose sum is σ = 97742677257792. Its totient is φ = 31577495280240.

The previous prime is 64156982380081. The next prime is 64156982380093. The reversal of 64156982380082 is 28008328965146.

It is a happy number.

It is a super-2 number, since 2×64156982380082² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64156982379997 and 64156982380024.

It is not an unprimeable number, because it can be changed into a prime (64156982380081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351238193 + ... + 351420804.

It is an arithmetic number, because the mean of its divisors is an integer number (6108917328612).

Almost surely, 2^{64156982380082} is an apocalyptic number.

64156982380082 is a deficient number, since it is larger than the sum of its proper divisors (33585694877710).

64156982380082 is a wasteful number, since it uses less digits than its factorization.

64156982380082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702659713.

The product of its (nonzero) digits is 39813120, while the sum is 62.

The spelling of 64156982380082 in words is "sixty-four trillion, one hundred fifty-six billion, nine hundred eighty-two million, three hundred eighty thousand, eighty-two".