66152623616012 has 12 divisors (see below), whose sum is σ = 115770767978040. Its totient is φ = 33075261336576.

The previous prime is 66152623615973. The next prime is 66152623616017. The reversal of 66152623616012 is 21061632625166.

It is a super-2 number, since 2×66152623616012² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66152623616017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262476158 + ... + 262728069.

It is an arithmetic number, because the mean of its divisors is an integer number (9647563998170).

Almost surely, 2^{66152623616012} is an apocalyptic number.

It is an amenable number.

66152623616012 is a deficient number, since it is larger than the sum of its proper divisors (49618144362028).

66152623616012 is a wasteful number, since it uses less digits than its factorization.

66152623616012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525235720 (or 525235718 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 66152623616012 in words is "sixty-six trillion, one hundred fifty-two billion, six hundred twenty-three million, six hundred sixteen thousand, twelve".