162960261 has 4 divisors (see below), whose sum is σ = 217280352. Its totient is φ = 108640172.

The previous prime is 162960227. The next prime is 162960271. The reversal of 162960261 is 162069261.

162960261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 162069261 = 3 ⋅54023087.

It is a cyclic number.

It is not a de Polignac number, because 162960261 - 2⁶ = 162960197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162960271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27160041 + ... + 27160046.

It is an arithmetic number, because the mean of its divisors is an integer number (54320088).

Almost surely, 2^162960261 is an apocalyptic number.

It is an amenable number.

162960261 is a deficient number, since it is larger than the sum of its proper divisors (54320091).

162960261 is an equidigital number, since it uses as much as digits as its factorization.

162960261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54320090.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 162960261 is about 12765.5889405855. The cubic root of 162960261 is about 546.2111615987.

The spelling of 162960261 in words is "one hundred sixty-two million, nine hundred sixty thousand, two hundred sixty-one".