10165660501 has 2 divisors, whose sum is σ = 10165660502. Its totient is φ = 10165660500.

The previous prime is 10165660481. The next prime is 10165660537. The reversal of 10165660501 is 10506656101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9850562500 + 315098001 = 99250^2 + 17751^2 .

It is an emirp because it is prime and its reverse (10506656101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10165660501 - 2⁵ = 10165660469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10165660541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5082830250 + 5082830251.

It is an arithmetic number, because the mean of its divisors is an integer number (5082830251).

Almost surely, 2^10165660501 is an apocalyptic number.

It is an amenable number.

10165660501 is a deficient number, since it is larger than the sum of its proper divisors (1).

10165660501 is an equidigital number, since it uses as much as digits as its factorization.

10165660501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 10165660501 in words is "ten billion, one hundred sixty-five million, six hundred sixty thousand, five hundred one".