161063801 has 2 divisors, whose sum is σ = 161063802. Its totient is φ = 161063800.

The previous prime is 161063761. The next prime is 161063827. The reversal of 161063801 is 108360161.

It is an a-pointer prime, because the next prime (161063827) can be obtained adding 161063801 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87516025 + 73547776 = 9355^2 + 8576^2 .

It is a cyclic number.

It is not a de Polignac number, because 161063801 - 2⁶ = 161063737 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (161063891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80531900 + 80531901.

It is an arithmetic number, because the mean of its divisors is an integer number (80531901).

Almost surely, 2^161063801 is an apocalyptic number.

It is an amenable number.

161063801 is a deficient number, since it is larger than the sum of its proper divisors (1).

161063801 is an equidigital number, since it uses as much as digits as its factorization.

161063801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 161063801 is about 12691.0914030276. The cubic root of 161063801 is about 544.0840333438.

The spelling of 161063801 in words is "one hundred sixty-one million, sixty-three thousand, eight hundred one".