730167161 has 2 divisors, whose sum is σ = 730167162. Its totient is φ = 730167160.

The previous prime is 730167121. The next prime is 730167181. The reversal of 730167161 is 161761037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 456463225 + 273703936 = 21365^2 + 16544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-730167161 is a prime.

It is not a weakly prime, because it can be changed into another prime (730167121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365083580 + 365083581.

It is an arithmetic number, because the mean of its divisors is an integer number (365083581).

Almost surely, 2^730167161 is an apocalyptic number.

It is an amenable number.

730167161 is a deficient number, since it is larger than the sum of its proper divisors (1).

730167161 is an equidigital number, since it uses as much as digits as its factorization.

730167161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 730167161 is about 27021.6054482335. The cubic root of 730167161 is about 900.4800570623.

The spelling of 730167161 in words is "seven hundred thirty million, one hundred sixty-seven thousand, one hundred sixty-one".