16269945 has 16 divisors (see below), whose sum is σ = 26422080. Its totient is φ = 8547264.

The previous prime is 16269941. The next prime is 16269949. The reversal of 16269945 is 54996261.

It is a happy number.

16269945 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 an interprime number because it is at equal distance from previous prime (16269941) and next prime (16269949).

It is not a de Polignac number, because 16269945 - 2² = 16269941 is a prime.

It is a super-2 number, since 2×16269945² = 529422220606050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16269897 and 16269906.

It is not an unprimeable number, because it can be changed into a prime (16269941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7090 + ... + 9099.

It is an arithmetic number, because the mean of its divisors is an integer number (1651380).

Almost surely, 2^16269945 is an apocalyptic number.

16269945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16269945 is a deficient number, since it is larger than the sum of its proper divisors (10152135).

16269945 is a wasteful number, since it uses less digits than its factorization.

16269945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16264.

The product of its digits is 116640, while the sum is 42.

The square root of 16269945 is about 4033.6019882978. The cubic root of 16269945 is about 253.3934366089.

It can be divided in two parts, 162 and 69945, that added together give a palindrome (70107).

The spelling of 16269945 in words is "sixteen million, two hundred sixty-nine thousand, nine hundred forty-five".