1344646516 has 24 divisors (see below), whose sum is σ = 2457342720. Its totient is φ = 642593952.

The previous prime is 1344646469. The next prime is 1344646519. The reversal of 1344646516 is 6156464431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344646519) 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, 131890 + ... + 141718.

It is an arithmetic number, because the mean of its divisors is an integer number (102389280).

Almost surely, 2^1344646516 is an apocalyptic number.

It is an amenable number.

1344646516 is a deficient number, since it is larger than the sum of its proper divisors (1112696204).

1344646516 is a wasteful number, since it uses less digits than its factorization.

1344646516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11343 (or 11341 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 1344646516 is about 36669.4220843471. The cubic root of 1344646516 is about 1103.7465954226.

The spelling of 1344646516 in words is "one billion, three hundred forty-four million, six hundred forty-six thousand, five hundred sixteen".