736313161 has 6 divisors (see below), whose sum is σ = 762579662. Its totient is φ = 710922240.

The previous prime is 736313143. The next prime is 736313167. The reversal of 736313161 is 161313637.

It can be written as a sum of positive squares in 3 ways, for example, as 357777225 + 378535936 = 18915^2 + 19456^2 .

It is not a de Polignac number, because 736313161 - 2⁷ = 736313033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (736313167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 436920 + ... + 438601.

Almost surely, 2^736313161 is an apocalyptic number.

It is an amenable number.

736313161 is a deficient number, since it is larger than the sum of its proper divisors (26266501).

736313161 is an equidigital number, since it uses as much as digits as its factorization.

736313161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875579 (or 875550 counting only the distinct ones).

The product of its digits is 6804, while the sum is 31.

The square root of 736313161 is about 27135.0909524918. The cubic root of 736313161 is about 902.9995233473. Note that the first 3 decimals are identical.

Adding to 736313161 its reverse (161313637), we get a palindrome (897626798).

The spelling of 736313161 in words is "seven hundred thirty-six million, three hundred thirteen thousand, one hundred sixty-one".