162923641 has 2 divisors, whose sum is σ = 162923642. Its totient is φ = 162923640.

The previous prime is 162923633. The next prime is 162923647. The reversal of 162923641 is 146329261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124434025 + 38489616 = 11155^2 + 6204^2 .

It is a cyclic number.

It is not a de Polignac number, because 162923641 - 2³ = 162923633 is a prime.

It is a super-2 number, since 2×162923641² = 53088225593393762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 162923597 and 162923606.

It is not a weakly prime, because it can be changed into another prime (162923647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81461820 + 81461821.

It is an arithmetic number, because the mean of its divisors is an integer number (81461821).

Almost surely, 2^162923641 is an apocalyptic number.

It is an amenable number.

162923641 is a deficient number, since it is larger than the sum of its proper divisors (1).

162923641 is an equidigital number, since it uses as much as digits as its factorization.

162923641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 162923641 is about 12764.1545352601. The cubic root of 162923641 is about 546.1702441564.

The spelling of 162923641 in words is "one hundred sixty-two million, nine hundred twenty-three thousand, six hundred forty-one".