667672448433 has 16 divisors (see below), whose sum is σ = 945817452480. Its totient is φ = 418150869696.

The previous prime is 667672448423. The next prime is 667672448459. The reversal of 667672448433 is 334844276766.

It is not a de Polignac number, because 667672448433 - 2¹² = 667672444337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (667672448423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103704835 + ... + 103711272.

It is an arithmetic number, because the mean of its divisors is an integer number (59113590780).

Almost surely, 2^667672448433 is an apocalyptic number.

It is an amenable number.

667672448433 is a deficient number, since it is larger than the sum of its proper divisors (278145004047).

667672448433 is a wasteful number, since it uses less digits than its factorization.

667672448433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207416176.

The product of its digits is 97542144, while the sum is 60.

The spelling of 667672448433 in words is "six hundred sixty-seven billion, six hundred seventy-two million, four hundred forty-eight thousand, four hundred thirty-three".