66242202202442 has 32 divisors (see below), whose sum is σ = 113668001758080. Its totient is φ = 28362031767360.

The previous prime is 66242202202349. The next prime is 66242202202457. The reversal of 66242202202442 is 24420220224266.

It is a junction number, because it is equal to n+sod(n) for n = 66242202202396 and 66242202202405.

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, 658768013 + ... + 658868559.

It is an arithmetic number, because the mean of its divisors is an integer number (3552125054940).

Almost surely, 2^{66242202202442} is an apocalyptic number.

66242202202442 is a deficient number, since it is larger than the sum of its proper divisors (47425799555638).

66242202202442 is a wasteful number, since it uses less digits than its factorization.

66242202202442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145646.

The product of its (nonzero) digits is 294912, while the sum is 38.

The spelling of 66242202202442 in words is "sixty-six trillion, two hundred forty-two billion, two hundred two million, two hundred two thousand, four hundred forty-two".