4567640667 has 8 divisors (see below), whose sum is σ = 6091276800. Its totient is φ = 3044549160.

The previous prime is 4567640579. The next prime is 4567640677. The reversal of 4567640667 is 7660467654.

4567640667 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4567640667 - 2¹¹ = 4567638619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4567640677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116167 + ... + 150432.

It is an arithmetic number, because the mean of its divisors is an integer number (761409600).

Almost surely, 2^4567640667 is an apocalyptic number.

4567640667 is a deficient number, since it is larger than the sum of its proper divisors (1523636133).

4567640667 is a wasteful number, since it uses less digits than its factorization.

4567640667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272313.

The product of its (nonzero) digits is 5080320, while the sum is 51.

The square root of 4567640667 is about 67584.3226421631. The cubic root of 4567640667 is about 1659.1945416221.

The spelling of 4567640667 in words is "four billion, five hundred sixty-seven million, six hundred forty thousand, six hundred sixty-seven".