66872275118042 has 16 divisors (see below), whose sum is σ = 101424653701632. Its totient is φ = 33064861717200.

The previous prime is 66872275118023. The next prime is 66872275118107. The reversal of 66872275118042 is 24081157227866.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200958218 + ... + 201290709.

It is an arithmetic number, because the mean of its divisors is an integer number (6339040856352).

Almost surely, 2^{66872275118042} is an apocalyptic number.

66872275118042 is a deficient number, since it is larger than the sum of its proper divisors (34552378583590).

66872275118042 is a wasteful number, since it uses less digits than its factorization.

66872275118042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402249853.

The product of its (nonzero) digits is 18063360, while the sum is 59.

The spelling of 66872275118042 in words is "sixty-six trillion, eight hundred seventy-two billion, two hundred seventy-five million, one hundred eighteen thousand, forty-two".