672016141 has 2 divisors, whose sum is σ = 672016142. Its totient is φ = 672016140.

The previous prime is 672016133. The next prime is 672016151. The reversal of 672016141 is 141610276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 555592041 + 116424100 = 23571^2 + 10790^2 .

It is a cyclic number.

It is not a de Polignac number, because 672016141 - 2³ = 672016133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672016151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336008070 + 336008071.

It is an arithmetic number, because the mean of its divisors is an integer number (336008071).

Almost surely, 2^672016141 is an apocalyptic number.

It is an amenable number.

672016141 is a deficient number, since it is larger than the sum of its proper divisors (1).

672016141 is an equidigital number, since it uses as much as digits as its factorization.

672016141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 672016141 is about 25923.2741180585. The cubic root of 672016141 is about 875.9108408002.

The spelling of 672016141 in words is "six hundred seventy-two million, sixteen thousand, one hundred forty-one".