1461336216 has 64 divisors (see below), whose sum is σ = 3787279200. Its totient is φ = 469324800.

The previous prime is 1461336199. The next prime is 1461336221. The reversal of 1461336216 is 6126331641.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 374596 + ... + 378476.

Almost surely, 2^1461336216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1461336216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1893639600).

1461336216 is an abundant number, since it is smaller than the sum of its proper divisors (2325942984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1461336216 is a wasteful number, since it uses less digits than its factorization.

1461336216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460 (or 4456 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 1461336216 is about 38227.4275357367. The cubic root of 1461336216 is about 1134.7931767502.

Adding to 1461336216 its reverse (6126331641), we get a palindrome (7587667857).

The spelling of 1461336216 in words is "one billion, four hundred sixty-one million, three hundred thirty-six thousand, two hundred sixteen".