667214322754 has 16 divisors (see below), whose sum is σ = 1144129241088. Its totient is φ = 285865680672.

The previous prime is 667214322701. The next prime is 667214322779. The reversal of 667214322754 is 457223412766.

It is a junction number, because it is equal to n+sod(n) for n = 667214322698 and 667214322707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6893122 + ... + 6989245.

It is an arithmetic number, because the mean of its divisors is an integer number (71508077568).

Almost surely, 2^667214322754 is an apocalyptic number.

667214322754 is a deficient number, since it is larger than the sum of its proper divisors (476914918334).

667214322754 is a wasteful number, since it uses less digits than its factorization.

667214322754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13885809.

The product of its digits is 3386880, while the sum is 49.

The spelling of 667214322754 in words is "six hundred sixty-seven billion, two hundred fourteen million, three hundred twenty-two thousand, seven hundred fifty-four".