16167945 has 8 divisors (see below), whose sum is σ = 25868736. Its totient is φ = 8622896.

The previous prime is 16167941. The next prime is 16167961. The reversal of 16167945 is 54976161.

16167945 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 16167945 - 2² = 16167941 is a prime.

It is a super-2 number, since 2×16167945² = 522804891046050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16167941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538917 + ... + 538946.

It is an arithmetic number, because the mean of its divisors is an integer number (3233592).

Almost surely, 2^16167945 is an apocalyptic number.

16167945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16167945 is a deficient number, since it is larger than the sum of its proper divisors (9700791).

16167945 is a wasteful number, since it uses less digits than its factorization.

16167945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077871.

The product of its digits is 45360, while the sum is 39.

The square root of 16167945 is about 4020.9383233270. The cubic root of 16167945 is about 252.8627990600.

The spelling of 16167945 in words is "sixteen million, one hundred sixty-seven thousand, nine hundred forty-five".