1373601216 has 224 divisors, whose sum is σ = 4153863168. Its totient is φ = 397393920.

The previous prime is 1373601199. The next prime is 1373601253. The reversal of 1373601216 is 6121063731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4075800 + ... + 4076136.

It is an arithmetic number, because the mean of its divisors is an integer number (18544032).

Almost surely, 2^1373601216 is an apocalyptic number.

1373601216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373601216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2076931584).

1373601216 is an abundant number, since it is smaller than the sum of its proper divisors (2780261952).

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

1373601216 is a wasteful number, since it uses less digits than its factorization.

1373601216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1373601216 is about 37062.1264365659. The cubic root of 1373601216 is about 1111.6128424657.

Adding to 1373601216 its reverse (6121063731), we get a palindrome (7494664947).

The spelling of 1373601216 in words is "one billion, three hundred seventy-three million, six hundred one thousand, two hundred sixteen".