162527317091 has 4 divisors (see below), whose sum is σ = 162672044232. Its totient is φ = 162382589952.

The previous prime is 162527317079. The next prime is 162527317097. The reversal of 162527317091 is 190713725261.

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 162527317091 - 2¹⁴ = 162527300707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162527317097) 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, 72361886 + ... + 72364131.

It is an arithmetic number, because the mean of its divisors is an integer number (40668011058).

Almost surely, 2^162527317091 is an apocalyptic number.

162527317091 is a deficient number, since it is larger than the sum of its proper divisors (144727141).

162527317091 is a wasteful number, since it uses less digits than its factorization.

162527317091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144727140.

The product of its (nonzero) digits is 158760, while the sum is 44.

The spelling of 162527317091 in words is "one hundred sixty-two billion, five hundred twenty-seven million, three hundred seventeen thousand, ninety-one".