1396646608896 has 792 divisors, whose sum is σ = 5197848712992. Its totient is φ = 351063244800.

The previous prime is 1396646608853. The next prime is 1396646608991. The reversal of 1396646608896 is 6988066466931.

It is a happy number.

1396646608896 is a `hidden beast` number, since 1 + 3 + 9 + 6 + 6 + 4 + 6 + 608 + 8 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (792).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45053116401 + ... + 45053116431.

Almost surely, 2^{1396646608896} is an apocalyptic number.

1396646608896 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 1396646608896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2598924356496).

1396646608896 is an abundant number, since it is smaller than the sum of its proper divisors (3801202104096).

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

1396646608896 is an frugal number, since it uses more digits than its factorization.

1396646608896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 483729408, while the sum is 72.

The spelling of 1396646608896 in words is "one trillion, three hundred ninety-six billion, six hundred forty-six million, six hundred eight thousand, eight hundred ninety-six".