7161326438 has 32 divisors (see below), whose sum is σ = 12433020480. Its totient is φ = 3030128640.

The previous prime is 7161326413. The next prime is 7161326441. The reversal of 7161326438 is 8346231617.

It is a junction number, because it is equal to n+sod(n) for n = 7161326395 and 7161326404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909398 + ... + 917238.

It is an arithmetic number, because the mean of its divisors is an integer number (388531890).

Almost surely, 2^7161326438 is an apocalyptic number.

7161326438 is a deficient number, since it is larger than the sum of its proper divisors (5271694042).

7161326438 is a wasteful number, since it uses less digits than its factorization.

7161326438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8672.

The product of its digits is 145152, while the sum is 41.

The square root of 7161326438 is about 84624.6207554279. The cubic root of 7161326438 is about 1927.5152537508.

The spelling of 7161326438 in words is "seven billion, one hundred sixty-one million, three hundred twenty-six thousand, four hundred thirty-eight".