162894749 has 2 divisors, whose sum is σ = 162894750. Its totient is φ = 162894748.

The previous prime is 162894713. The next prime is 162894791. The reversal of 162894749 is 947498261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103327225 + 59567524 = 10165^2 + 7718^2 .

It is an emirp because it is prime and its reverse (947498261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162894749 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 162894697 and 162894706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162894709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81447374 + 81447375.

It is an arithmetic number, because the mean of its divisors is an integer number (81447375).

Almost surely, 2^162894749 is an apocalyptic number.

It is an amenable number.

162894749 is a deficient number, since it is larger than the sum of its proper divisors (1).

162894749 is an equidigital number, since it uses as much as digits as its factorization.

162894749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The square root of 162894749 is about 12763.0227219104. The cubic root of 162894749 is about 546.1379572858.

The spelling of 162894749 in words is "one hundred sixty-two million, eight hundred ninety-four thousand, seven hundred forty-nine".