16455413 has 4 divisors (see below), whose sum is σ = 17721228. Its totient is φ = 15189600.

The previous prime is 16455409. The next prime is 16455427. The reversal of 16455413 is 31455461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31455461 = 557 ⋅56473.

It can be written as a sum of positive squares in 2 ways, for example, as 1532644 + 14922769 = 1238^2 + 3863^2 .

It is a cyclic number.

It is not a de Polignac number, because 16455413 - 2² = 16455409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16455433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632888 + ... + 632913.

It is an arithmetic number, because the mean of its divisors is an integer number (4430307).

Almost surely, 2^16455413 is an apocalyptic number.

16455413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16455413 is a deficient number, since it is larger than the sum of its proper divisors (1265815).

16455413 is a wasteful number, since it uses less digits than its factorization.

16455413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265814.

The product of its digits is 7200, while the sum is 29.

The square root of 16455413 is about 4056.5272093257. The cubic root of 16455413 is about 254.3526473727.

The spelling of 16455413 in words is "sixteen million, four hundred fifty-five thousand, four hundred thirteen".