161064733 has 2 divisors, whose sum is σ = 161064734. Its totient is φ = 161064732.

The previous prime is 161064731. The next prime is 161064751. The reversal of 161064733 is 337460161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105308644 + 55756089 = 10262^2 + 7467^2 .

It is a cyclic number.

It is not a de Polignac number, because 161064733 - 2¹ = 161064731 is a prime.

It is a super-2 number, since 2×161064733² = 51883696432722578, which contains 22 as substring.

Together with 161064731, it forms a pair of twin primes.

It is equal to p_9030928 and since 161064733 and 9030928 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 161064695 and 161064704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161064731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80532366 + 80532367.

It is an arithmetic number, because the mean of its divisors is an integer number (80532367).

Almost surely, 2^161064733 is an apocalyptic number.

It is an amenable number.

161064733 is a deficient number, since it is larger than the sum of its proper divisors (1).

161064733 is an equidigital number, since it uses as much as digits as its factorization.

161064733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 161064733 is about 12691.1281216447. The cubic root of 161064733 is about 544.0850827940.

The spelling of 161064733 in words is "one hundred sixty-one million, sixty-four thousand, seven hundred thirty-three".