1346668416 has 80 divisors (see below), whose sum is σ = 4007694240. Its totient is φ = 448886016.

The previous prime is 1346668397. The next prime is 1346668429. The reversal of 1346668416 is 6148666431.

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 9 ways as a sum of consecutive naturals, for example, 54576 + ... + 75311.

It is an arithmetic number, because the mean of its divisors is an integer number (50096178).

Almost surely, 2^1346668416 is an apocalyptic number.

1346668416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1346668416 is an abundant number, since it is smaller than the sum of its proper divisors (2661025824).

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

1346668416 is an equidigital number, since it uses as much as digits as its factorization.

1346668416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129913 (or 129892 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 1346668416 is about 36696.9810202420. The cubic root of 1346668416 is about 1104.2995406485.

The spelling of 1346668416 in words is "one billion, three hundred forty-six million, six hundred sixty-eight thousand, four hundred sixteen".