16461213 has 8 divisors (see below), whose sum is σ = 22483776. Its totient is φ = 10706400.

The previous prime is 16461199. The next prime is 16461251. The reversal of 16461213 is 31216461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16461213 - 2⁴ = 16461197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16461013) 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, 66793 + ... + 67038.

It is an arithmetic number, because the mean of its divisors is an integer number (2810472).

Almost surely, 2^16461213 is an apocalyptic number.

It is an amenable number.

16461213 is a deficient number, since it is larger than the sum of its proper divisors (6022563).

16461213 is a wasteful number, since it uses less digits than its factorization.

16461213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133875.

The product of its digits is 864, while the sum is 24.

The square root of 16461213 is about 4057.2420435562. The cubic root of 16461213 is about 254.3825275518.

Adding to 16461213 its reverse (31216461), we get a palindrome (47677674).

The spelling of 16461213 in words is "sixteen million, four hundred sixty-one thousand, two hundred thirteen".