1016260639 has 2 divisors, whose sum is σ = 1016260640. Its totient is φ = 1016260638.

The previous prime is 1016260633. The next prime is 1016260643. The reversal of 1016260639 is 9360626101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1016260639 - 2¹¹ = 1016258591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016260633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508130319 + 508130320.

It is an arithmetic number, because the mean of its divisors is an integer number (508130320).

Almost surely, 2^1016260639 is an apocalyptic number.

1016260639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016260639 is an equidigital number, since it uses as much as digits as its factorization.

1016260639 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 1016260639 is about 31878.8431251826. The cubic root of 1016260639 is about 1005.3910968460.

The spelling of 1016260639 in words is "one billion, sixteen million, two hundred sixty thousand, six hundred thirty-nine".