66500611147410 has 128 divisors (see below), whose sum is σ = 184356100548864. Its totient is φ = 15172748328960.

The previous prime is 66500611147381. The next prime is 66500611147447. The reversal of 66500611147410 is 1474111600566.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 427477162 + ... + 427632698.

It is an arithmetic number, because the mean of its divisors is an integer number (1440282035538).

Almost surely, 2^{66500611147410} is an apocalyptic number.

66500611147410 is an abundant number, since it is smaller than the sum of its proper divisors (117855489401454).

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

66500611147410 is a wasteful number, since it uses less digits than its factorization.

66500611147410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231788.

The product of its (nonzero) digits is 120960, while the sum is 42.

Adding to 66500611147410 its reverse (1474111600566), we get a palindrome (67974722747976).

The spelling of 66500611147410 in words is "sixty-six trillion, five hundred billion, six hundred eleven million, one hundred forty-seven thousand, four hundred ten".