667460361746 has 4 divisors (see below), whose sum is σ = 1001190542622. Its totient is φ = 333730180872.

The previous prime is 667460361739. The next prime is 667460361751. The reversal of 667460361746 is 647163064766.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 400986565225 + 266473796521 = 633235^2 + 516211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 667460361691 and 667460361700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166865090435 + ... + 166865090438.

Almost surely, 2^667460361746 is an apocalyptic number.

667460361746 is a deficient number, since it is larger than the sum of its proper divisors (333730180876).

667460361746 is a wasteful number, since it uses less digits than its factorization.

667460361746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333730180875.

The product of its (nonzero) digits is 18289152, while the sum is 56.

The spelling of 667460361746 in words is "six hundred sixty-seven billion, four hundred sixty million, three hundred sixty-one thousand, seven hundred forty-six".