667400014162674 has 32 divisors (see below), whose sum is σ = 1597196615091840. Its totient is φ = 205353850511376.

The previous prime is 667400014162669. The next prime is 667400014162699. The reversal of 667400014162674 is 476261410004766.

667400014162674 is a `hidden beast` number, since 6 + 6 + 7 + 4 + 0 + 0 + 0 + 1 + 4 + 1 + 626 + 7 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 667400014162674.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 475356134742 + ... + 475356136145.

It is an arithmetic number, because the mean of its divisors is an integer number (49912394221620).

Almost surely, 2^{667400014162674} is an apocalyptic number.

667400014162674 is an abundant number, since it is smaller than the sum of its proper divisors (929796600929166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667400014162674 is a wasteful number, since it uses less digits than its factorization.

667400014162674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950712270911 (or 950712270905 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 667400014162674 in words is "six hundred sixty-seven trillion, four hundred billion, fourteen million, one hundred sixty-two thousand, six hundred seventy-four".