1206656896 has 64 divisors (see below), whose sum is σ = 2542296960. Its totient is φ = 569548800.

The previous prime is 1206656873. The next prime is 1206656903. The reversal of 1206656896 is 6986566021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158980 + ... + 166396.

It is an arithmetic number, because the mean of its divisors is an integer number (39723390).

Almost surely, 2^1206656896 is an apocalyptic number.

1206656896 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 1206656896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1271148480).

1206656896 is an abundant number, since it is smaller than the sum of its proper divisors (1335640064).

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

1206656896 is an equidigital number, since it uses as much as digits as its factorization.

1206656896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503 (or 7491 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 1206656896 is about 34736.9672827091. The cubic root of 1206656896 is about 1064.6199488851.

The spelling of 1206656896 in words is "one billion, two hundred six million, six hundred fifty-six thousand, eight hundred ninety-six".