2160061639 has 2 divisors, whose sum is σ = 2160061640. Its totient is φ = 2160061638.

The previous prime is 2160061577. The next prime is 2160061643. The reversal of 2160061639 is 9361600612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2160061639 - 2¹¹ = 2160059591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2160061439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080030819 + 1080030820.

It is an arithmetic number, because the mean of its divisors is an integer number (1080030820).

Almost surely, 2^2160061639 is an apocalyptic number.

2160061639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2160061639 is an equidigital number, since it uses as much as digits as its factorization.

2160061639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2160061639 is about 46476.4632798151. The cubic root of 2160061639 is about 1292.6731099392.

The spelling of 2160061639 in words is "two billion, one hundred sixty million, sixty-one thousand, six hundred thirty-nine".