165275157503 has 2 divisors, whose sum is σ = 165275157504. Its totient is φ = 165275157502.

The previous prime is 165275157493. The next prime is 165275157521. The reversal of 165275157503 is 305751572561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165275157503 - 2¹⁶ = 165275091967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165275157703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82637578751 + 82637578752.

It is an arithmetic number, because the mean of its divisors is an integer number (82637578752).

Almost surely, 2^165275157503 is an apocalyptic number.

165275157503 is a deficient number, since it is larger than the sum of its proper divisors (1).

165275157503 is an equidigital number, since it uses as much as digits as its factorization.

165275157503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102500, while the sum is 47.

The spelling of 165275157503 in words is "one hundred sixty-five billion, two hundred seventy-five million, one hundred fifty-seven thousand, five hundred three".