66512062022145 has 8 divisors (see below), whose sum is σ = 106419299235456. Its totient is φ = 35473099745136.

The previous prime is 66512062022143. The next prime is 66512062022171. The reversal of 66512062022145 is 54122026021566.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66512062022145 - 2¹ = 66512062022143 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66512062022097 and 66512062022106.

It is not an unprimeable number, because it can be changed into a prime (66512062022143) 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, 2217068734057 + ... + 2217068734086.

It is an arithmetic number, because the mean of its divisors is an integer number (13302412404432).

Almost surely, 2^{66512062022145} is an apocalyptic number.

It is an amenable number.

66512062022145 is a deficient number, since it is larger than the sum of its proper divisors (39907237213311).

66512062022145 is a wasteful number, since it uses less digits than its factorization.

66512062022145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434137468151.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 66512062022145 in words is "sixty-six trillion, five hundred twelve billion, sixty-two million, twenty-two thousand, one hundred forty-five".