66484808380036 has 48 divisors (see below), whose sum is σ = 121148769232512. Its totient is φ = 31897652716800.

The previous prime is 66484808380021. The next prime is 66484808380049. The reversal of 66484808380036 is 63008380848466.

It is a super-2 number, since 2×66484808380036² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66484808380036.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143095375 + ... + 143559241.

It is an arithmetic number, because the mean of its divisors is an integer number (2523932692344).

Almost surely, 2^{66484808380036} is an apocalyptic number.

It is an amenable number.

66484808380036 is a deficient number, since it is larger than the sum of its proper divisors (54663960852476).

66484808380036 is a wasteful number, since it uses less digits than its factorization.

66484808380036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478300 (or 478298 counting only the distinct ones).

The product of its (nonzero) digits is 127401984, while the sum is 64.

The spelling of 66484808380036 in words is "sixty-six trillion, four hundred eighty-four billion, eight hundred eight million, three hundred eighty thousand, thirty-six".