162149047 has 2 divisors, whose sum is σ = 162149048. Its totient is φ = 162149046.

The previous prime is 162149027. The next prime is 162149081. The reversal of 162149047 is 740941261.

It is an a-pointer prime, because the next prime (162149081) can be obtained adding 162149047 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162149047 - 2¹⁹ = 161624759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162149027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81074523 + 81074524.

It is an arithmetic number, because the mean of its divisors is an integer number (81074524).

Almost surely, 2^162149047 is an apocalyptic number.

162149047 is a deficient number, since it is larger than the sum of its proper divisors (1).

162149047 is an equidigital number, since it uses as much as digits as its factorization.

162149047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 162149047 is about 12733.7758343706. The cubic root of 162149047 is about 545.3033095503.

The spelling of 162149047 in words is "one hundred sixty-two million, one hundred forty-nine thousand, forty-seven".