162861623 has 2 divisors, whose sum is σ = 162861624. Its totient is φ = 162861622.

The previous prime is 162861617. The next prime is 162861661. The reversal of 162861623 is 326168261.

162861623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162861623 - 2¹⁴ = 162845239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162861323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81430811 + 81430812.

It is an arithmetic number, because the mean of its divisors is an integer number (81430812).

Almost surely, 2^162861623 is an apocalyptic number.

162861623 is a deficient number, since it is larger than the sum of its proper divisors (1).

162861623 is an equidigital number, since it uses as much as digits as its factorization.

162861623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 162861623 is about 12761.7249225957. The cubic root of 162861623 is about 546.1009342130.

The spelling of 162861623 in words is "one hundred sixty-two million, eight hundred sixty-one thousand, six hundred twenty-three".