162072949 has 2 divisors, whose sum is σ = 162072950. Its totient is φ = 162072948.

The previous prime is 162072931. The next prime is 162072997. The reversal of 162072949 is 949270261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109872324 + 52200625 = 10482^2 + 7225^2 .

It is a cyclic number.

It is not a de Polignac number, because 162072949 - 2⁷ = 162072821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162072919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81036474 + 81036475.

It is an arithmetic number, because the mean of its divisors is an integer number (81036475).

Almost surely, 2^162072949 is an apocalyptic number.

It is an amenable number.

162072949 is a deficient number, since it is larger than the sum of its proper divisors (1).

162072949 is an equidigital number, since it uses as much as digits as its factorization.

162072949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 162072949 is about 12730.7874461873. The cubic root of 162072949 is about 545.2179909596.

The spelling of 162072949 in words is "one hundred sixty-two million, seventy-two thousand, nine hundred forty-nine".