68162153 has 2 divisors, whose sum is σ = 68162154. Its totient is φ = 68162152.

The previous prime is 68162147. The next prime is 68162161. The reversal of 68162153 is 35126186.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66797929 + 1364224 = 8173^2 + 1168^2 .

It is a cyclic number.

It is not a de Polignac number, because 68162153 - 2⁴ = 68162137 is a prime.

It is not a weakly prime, because it can be changed into another prime (68162123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34081076 + 34081077.

It is an arithmetic number, because the mean of its divisors is an integer number (34081077).

Almost surely, 2^68162153 is an apocalyptic number.

It is an amenable number.

68162153 is a deficient number, since it is larger than the sum of its proper divisors (1).

68162153 is an equidigital number, since it uses as much as digits as its factorization.

68162153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 68162153 is about 8256.0373666790. The cubic root of 68162153 is about 408.4896902066.

The spelling of 68162153 in words is "sixty-eight million, one hundred sixty-two thousand, one hundred fifty-three".