66042162656350 has 96 divisors (see below), whose sum is σ = 124343282342016. Its totient is φ = 26095723315200.

The previous prime is 66042162656341. The next prime is 66042162656399. The reversal of 66042162656350 is 5365626124066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 882513435 + ... + 882588265.

It is an arithmetic number, because the mean of its divisors is an integer number (1295242524396).

Almost surely, 2^{66042162656350} is an apocalyptic number.

66042162656350 is a deficient number, since it is larger than the sum of its proper divisors (58301119685666).

66042162656350 is a wasteful number, since it uses less digits than its factorization.

66042162656350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75670 (or 75665 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 66042162656350 in words is "sixty-six trillion, forty-two billion, one hundred sixty-two million, six hundred fifty-six thousand, three hundred fifty".