16127945 has 16 divisors (see below), whose sum is σ = 20545920. Its totient is φ = 12127104.

The previous prime is 16127927. The next prime is 16127971. The reversal of 16127945 is 54972161.

It is a cyclic number.

It is not a de Polignac number, because 16127945 - 2¹⁰ = 16126921 is a prime.

It is a super-2 number, since 2×16127945² = 520221219846050, which contains 22 as substring.

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, 5597 + ... + 7973.

It is an arithmetic number, because the mean of its divisors is an integer number (1284120).

Almost surely, 2^16127945 is an apocalyptic number.

It is an amenable number.

16127945 is a deficient number, since it is larger than the sum of its proper divisors (4417975).

16127945 is a wasteful number, since it uses less digits than its factorization.

16127945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464.

The product of its digits is 15120, while the sum is 35.

The square root of 16127945 is about 4015.9612796938. The cubic root of 16127945 is about 252.6540967037.

The spelling of 16127945 in words is "sixteen million, one hundred twenty-seven thousand, nine hundred forty-five".