1336491680 has 96 divisors (see below), whose sum is σ = 3296538000. Its totient is φ = 511393792.

The previous prime is 1336491677. The next prime is 1336491683. The reversal of 1336491680 is 861946331.

It is an interprime number because it is at equal distance from previous prime (1336491677) and next prime (1336491683).

It can be written as a sum of positive squares in 8 ways, for example, as 494795536 + 841696144 = 22244^2 + 29012^2 .

It is not an unprimeable number, because it can be changed into a prime (1336491683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523046 + ... + 525594.

Almost surely, 2^1336491680 is an apocalyptic number.

1336491680 is a gapful number since it is divisible by the number (10) 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 1336491680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648269000).

1336491680 is an abundant number, since it is smaller than the sum of its proper divisors (1960046320).

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

1336491680 is a wasteful number, since it uses less digits than its factorization.

1336491680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706 (or 2698 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 1336491680 is about 36558.0590294397. The cubic root of 1336491680 is about 1101.5107835841.

The spelling of 1336491680 in words is "one billion, three hundred thirty-six million, four hundred ninety-one thousand, six hundred eighty".