162964649 has 2 divisors, whose sum is σ = 162964650. Its totient is φ = 162964648.

The previous prime is 162964621. The next prime is 162964661. The reversal of 162964649 is 946469261.

162964649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144961600 + 18003049 = 12040^2 + 4243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162964649 is a prime.

It is not a weakly prime, because it can be changed into another prime (162964679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81482324 + 81482325.

It is an arithmetic number, because the mean of its divisors is an integer number (81482325).

Almost surely, 2^162964649 is an apocalyptic number.

It is an amenable number.

162964649 is a deficient number, since it is larger than the sum of its proper divisors (1).

162964649 is an equidigital number, since it uses as much as digits as its factorization.

162964649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 47.

The square root of 162964649 is about 12765.7608077231. The cubic root of 162964649 is about 546.2160641294.

The spelling of 162964649 in words is "one hundred sixty-two million, nine hundred sixty-four thousand, six hundred forty-nine".