16001416 has 8 divisors (see below), whose sum is σ = 30002670. Its totient is φ = 8000704.

The previous prime is 16001413. The next prime is 16001423. The reversal of 16001416 is 61410061.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15444900 + 556516 = 3930^2 + 746^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16001393 and 16001402.

It is not an unprimeable number, because it can be changed into a prime (16001413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000081 + ... + 1000096.

Almost surely, 2^16001416 is an apocalyptic number.

It is an amenable number.

16001416 is a deficient number, since it is larger than the sum of its proper divisors (14001254).

16001416 is a wasteful number, since it uses less digits than its factorization.

16001416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000183 (or 2000179 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 16001416 is about 4000.1769960840. The cubic root of 16001416 is about 251.9916432939.

Adding to 16001416 its reverse (61410061), we get a palindrome (77411477).

The spelling of 16001416 in words is "sixteen million, one thousand, four hundred sixteen".