66058010802 has 24 divisors (see below), whose sum is σ = 163572217536. Its totient is φ = 18873717336.

The previous prime is 66058010773. The next prime is 66058010807. The reversal of 66058010802 is 20801085066.

It is a happy number.

66058010802 is a `hidden beast` number, since 6 + 60 + 580 + 10 + 8 + 0 + 2 = 666.

It is a super-2 number, since 2×66058010802² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66058010807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262134838 + ... + 262135089.

It is an arithmetic number, because the mean of its divisors is an integer number (6815509064).

Almost surely, 2^66058010802 is an apocalyptic number.

66058010802 is an abundant number, since it is smaller than the sum of its proper divisors (97514206734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66058010802 is a wasteful number, since it uses less digits than its factorization.

66058010802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524269942 (or 524269939 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

Adding to 66058010802 its reverse (20801085066), we get a palindrome (86859095868).

The spelling of 66058010802 in words is "sixty-six billion, fifty-eight million, ten thousand, eight hundred two".