165442763 has 2 divisors, whose sum is σ = 165442764. Its totient is φ = 165442762.

The previous prime is 165442757. The next prime is 165442769. The reversal of 165442763 is 367244561.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (165442757) and next prime (165442769).

It is a cyclic number.

It is not a de Polignac number, because 165442763 - 2²⁴ = 148665547 is a prime.

It is not a weakly prime, because it can be changed into another prime (165442769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82721381 + 82721382.

It is an arithmetic number, because the mean of its divisors is an integer number (82721382).

Almost surely, 2^165442763 is an apocalyptic number.

165442763 is a deficient number, since it is larger than the sum of its proper divisors (1).

165442763 is an equidigital number, since it uses as much as digits as its factorization.

165442763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 165442763 is about 12862.4555587182. The cubic root of 165442763 is about 548.9708169486.

The spelling of 165442763 in words is "one hundred sixty-five million, four hundred forty-two thousand, seven hundred sixty-three".