672361164329 has 4 divisors (see below), whose sum is σ = 672468422340. Its totient is φ = 672253906320.

The previous prime is 672361164311. The next prime is 672361164347. The reversal of 672361164329 is 923461163276.

672361164329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (672361164311) and next prime (672361164347).

It can be written as a sum of positive squares in 2 ways, for example, as 409369632400 + 262991531929 = 639820^2 + 512827^2 .

It is a cyclic number.

It is not a de Polignac number, because 672361164329 - 2³² = 668066197033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672361164229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53619602 + ... + 53632139.

It is an arithmetic number, because the mean of its divisors is an integer number (168117105585).

Almost surely, 2^672361164329 is an apocalyptic number.

It is an amenable number.

672361164329 is a deficient number, since it is larger than the sum of its proper divisors (107258011).

672361164329 is a wasteful number, since it uses less digits than its factorization.

672361164329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107258010.

The product of its digits is 1959552, while the sum is 50.

The spelling of 672361164329 in words is "six hundred seventy-two billion, three hundred sixty-one million, one hundred sixty-four thousand, three hundred twenty-nine".