168380473 has 2 divisors, whose sum is σ = 168380474. Its totient is φ = 168380472.

The previous prime is 168380449. The next prime is 168380491. The reversal of 168380473 is 374083861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118635664 + 49744809 = 10892^2 + 7053^2 .

It is a cyclic number.

It is not a de Polignac number, because 168380473 - 2⁵ = 168380441 is a prime.

It is not a weakly prime, because it can be changed into another prime (168320473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84190236 + 84190237.

It is an arithmetic number, because the mean of its divisors is an integer number (84190237).

Almost surely, 2^168380473 is an apocalyptic number.

It is an amenable number.

168380473 is a deficient number, since it is larger than the sum of its proper divisors (1).

168380473 is an equidigital number, since it uses as much as digits as its factorization.

168380473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 168380473 is about 12976.1501609684. The cubic root of 168380473 is about 552.2010673123.

The spelling of 168380473 in words is "one hundred sixty-eight million, three hundred eighty thousand, four hundred seventy-three".