161069396 has 6 divisors (see below), whose sum is σ = 281871450. Its totient is φ = 80534696.

The previous prime is 161069369. The next prime is 161069413. The reversal of 161069396 is 693960161.

161069396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 112572100 + 48497296 = 10610^2 + 6964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20133671 + ... + 20133678.

It is an arithmetic number, because the mean of its divisors is an integer number (46978575).

Almost surely, 2^161069396 is an apocalyptic number.

It is an amenable number.

161069396 is a deficient number, since it is larger than the sum of its proper divisors (120802054).

161069396 is a wasteful number, since it uses less digits than its factorization.

161069396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40267353 (or 40267351 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 161069396 is about 12691.3118313278. The cubic root of 161069396 is about 544.0903333626.

The spelling of 161069396 in words is "one hundred sixty-one million, sixty-nine thousand, three hundred ninety-six".