4032644780167 has 2 divisors, whose sum is σ = 4032644780168. Its totient is φ = 4032644780166.

The previous prime is 4032644780149. The next prime is 4032644780267. The reversal of 4032644780167 is 7610874462304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4032644780167 - 2³¹ = 4030497296519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4032644780117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016322390083 + 2016322390084.

It is an arithmetic number, because the mean of its divisors is an integer number (2016322390084).

Almost surely, 2^{4032644780167} is an apocalyptic number.

4032644780167 is a deficient number, since it is larger than the sum of its proper divisors (1).

4032644780167 is an equidigital number, since it uses as much as digits as its factorization.

4032644780167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5419008, while the sum is 52.

The spelling of 4032644780167 in words is "four trillion, thirty-two billion, six hundred forty-four million, seven hundred eighty thousand, one hundred sixty-seven".