161307069 has 32 divisors (see below), whose sum is σ = 273638400. Its totient is φ = 83790000.

The previous prime is 161307053. The next prime is 161307163. The reversal of 161307069 is 960703161.

It is not a de Polignac number, because 161307069 - 2⁴ = 161307053 is a prime.

It is a super-2 number, since 2×161307069² = 52039941018741522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161307269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4194 + ... + 18444.

It is an arithmetic number, because the mean of its divisors is an integer number (8551200).

Almost surely, 2^161307069 is an apocalyptic number.

It is an amenable number.

161307069 is a deficient number, since it is larger than the sum of its proper divisors (112331331).

161307069 is a wasteful number, since it uses less digits than its factorization.

161307069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14286 (or 14272 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 161307069 is about 12700.6719900956. The cubic root of 161307069 is about 544.3578206100.

The spelling of 161307069 in words is "one hundred sixty-one million, three hundred seven thousand, sixty-nine".