667400014145276 has 6 divisors (see below), whose sum is σ = 1167950024754240. Its totient is φ = 333700007072636.

The previous prime is 667400014145273. The next prime is 667400014145321. The reversal of 667400014145276 is 672541410004766.

It is a super-2 number, since 2×667400014145276² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667400014145273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83425001768156 + ... + 83425001768163.

It is an arithmetic number, because the mean of its divisors is an integer number (194658337459040).

Almost surely, 2^{667400014145276} is an apocalyptic number.

It is an amenable number.

667400014145276 is a deficient number, since it is larger than the sum of its proper divisors (500550010608964).

667400014145276 is a wasteful number, since it uses less digits than its factorization.

667400014145276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166850003536323 (or 166850003536321 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 667400014145276 in words is "six hundred sixty-seven trillion, four hundred billion, fourteen million, one hundred forty-five thousand, two hundred seventy-six".