162911117 has 2 divisors, whose sum is σ = 162911118. Its totient is φ = 162911116.

The previous prime is 162911101. The next prime is 162911131. The reversal of 162911117 is 711119261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137851081 + 25060036 = 11741^2 + 5006^2 .

It is a cyclic number.

It is not a de Polignac number, because 162911117 - 2⁴ = 162911101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162911117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162911167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81455558 + 81455559.

It is an arithmetic number, because the mean of its divisors is an integer number (81455559).

Almost surely, 2^162911117 is an apocalyptic number.

It is an amenable number.

162911117 is a deficient number, since it is larger than the sum of its proper divisors (1).

162911117 is an equidigital number, since it uses as much as digits as its factorization.

162911117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 29.

The square root of 162911117 is about 12763.6639332129. The cubic root of 162911117 is about 546.1562490288.

The spelling of 162911117 in words is "one hundred sixty-two million, nine hundred eleven thousand, one hundred seventeen".