736161405 has 32 divisors (see below), whose sum is σ = 1350048000. Its totient is φ = 335549952.

The previous prime is 736161397. The next prime is 736161407. The reversal of 736161405 is 504161637.

736161405 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 736161405 - 2³ = 736161397 is a prime.

It is a super-2 number, since 2×736161405² = 1083867228423148050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (736161407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26601 + ... + 46689.

It is an arithmetic number, because the mean of its divisors is an integer number (42189000).

Almost surely, 2^736161405 is an apocalyptic number.

It is an amenable number.

736161405 is a deficient number, since it is larger than the sum of its proper divisors (613886595).

736161405 is a wasteful number, since it uses less digits than its factorization.

736161405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20453.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 736161405 is about 27132.2945030456. The cubic root of 736161405 is about 902.9374822583.

The spelling of 736161405 in words is "seven hundred thirty-six million, one hundred sixty-one thousand, four hundred five".