2161962527 has 2 divisors, whose sum is σ = 2161962528. Its totient is φ = 2161962526.

The previous prime is 2161962511. The next prime is 2161962611. The reversal of 2161962527 is 7252691612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2161962527 - 2⁴ = 2161962511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2161967527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080981263 + 1080981264.

It is an arithmetic number, because the mean of its divisors is an integer number (1080981264).

Almost surely, 2^2161962527 is an apocalyptic number.

2161962527 is a deficient number, since it is larger than the sum of its proper divisors (1).

2161962527 is an equidigital number, since it uses as much as digits as its factorization.

2161962527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 2161962527 is about 46496.9087897249. The cubic root of 2161962527 is about 1293.0521896085.

The spelling of 2161962527 in words is "two billion, one hundred sixty-one million, nine hundred sixty-two thousand, five hundred twenty-seven".