16258015261 has 2 divisors, whose sum is σ = 16258015262. Its totient is φ = 16258015260.

The previous prime is 16258015153. The next prime is 16258015273. The reversal of 16258015261 is 16251085261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16257780036 + 235225 = 127506^2 + 485^2 .

It is an emirp because it is prime and its reverse (16251085261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16258015261 - 2⁹ = 16258014749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16258015261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16258016261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8129007630 + 8129007631.

It is an arithmetic number, because the mean of its divisors is an integer number (8129007631).

Almost surely, 2^16258015261 is an apocalyptic number.

It is an amenable number.

16258015261 is a deficient number, since it is larger than the sum of its proper divisors (1).

16258015261 is an equidigital number, since it uses as much as digits as its factorization.

16258015261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 16258015261 in words is "sixteen billion, two hundred fifty-eight million, fifteen thousand, two hundred sixty-one".