736456161 has 32 divisors (see below), whose sum is σ = 1142138880. Its totient is φ = 413398656.

The previous prime is 736456153. The next prime is 736456163. The reversal of 736456161 is 161654637.

It is not a de Polignac number, because 736456161 - 2³ = 736456153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (736456163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 909925 + ... + 910733.

It is an arithmetic number, because the mean of its divisors is an integer number (35691840).

Almost surely, 2^736456161 is an apocalyptic number.

It is an amenable number.

736456161 is a deficient number, since it is larger than the sum of its proper divisors (405682719).

736456161 is a wasteful number, since it uses less digits than its factorization.

736456161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533.

The product of its digits is 90720, while the sum is 39.

The square root of 736456161 is about 27137.7257890192. The cubic root of 736456161 is about 903.0579769964.

The spelling of 736456161 in words is "seven hundred thirty-six million, four hundred fifty-six thousand, one hundred sixty-one".