162530971 has 4 divisors (see below), whose sum is σ = 162608344. Its totient is φ = 162453600.

The previous prime is 162530933. The next prime is 162530981. The reversal of 162530971 is 179035261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 162530971 - 2⁷ = 162530843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162530981) 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, 35445 + ... + 39766.

It is an arithmetic number, because the mean of its divisors is an integer number (40652086).

Almost surely, 2^162530971 is an apocalyptic number.

162530971 is a deficient number, since it is larger than the sum of its proper divisors (77373).

162530971 is an equidigital number, since it uses as much as digits as its factorization.

162530971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77372.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 162530971 is about 12748.7635086702. The cubic root of 162530971 is about 545.7311075632.

The spelling of 162530971 in words is "one hundred sixty-two million, five hundred thirty thousand, nine hundred seventy-one".