66411136442 has 32 divisors (see below), whose sum is σ = 115540992000. Its totient is φ = 28040498928.

The previous prime is 66411136403. The next prime is 66411136453. The reversal of 66411136442 is 24463111466.

It is a junction number, because it is equal to n+sod(n) for n = 66411136396 and 66411136405.

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, 337559 + ... + 496757.

It is an arithmetic number, because the mean of its divisors is an integer number (3610656000).

Almost surely, 2^66411136442 is an apocalyptic number.

66411136442 is a deficient number, since it is larger than the sum of its proper divisors (49129855558).

66411136442 is a wasteful number, since it uses less digits than its factorization.

66411136442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159650.

The product of its digits is 82944, while the sum is 38.

The spelling of 66411136442 in words is "sixty-six billion, four hundred eleven million, one hundred thirty-six thousand, four hundred forty-two".