16069945 has 8 divisors (see below), whose sum is σ = 19436544. Its totient is φ = 12754224.

The previous prime is 16069931. The next prime is 16069967. The reversal of 16069945 is 54996061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16069945 - 2¹⁹ = 15545657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16069898 and 16069907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12019 + ... + 13288.

It is an arithmetic number, because the mean of its divisors is an integer number (2429568).

Almost surely, 2^16069945 is an apocalyptic number.

It is an amenable number.

16069945 is a deficient number, since it is larger than the sum of its proper divisors (3366599).

16069945 is a wasteful number, since it uses less digits than its factorization.

16069945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25439.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 16069945 is about 4008.7335905495. The cubic root of 16069945 is about 252.3508644535.

The spelling of 16069945 in words is "sixteen million, sixty-nine thousand, nine hundred forty-five".