1346659650 has 216 divisors, whose sum is σ = 4246419060. Its totient is φ = 305061120.

The previous prime is 1346659649. The next prime is 1346659663. The reversal of 1346659650 is 569566431.

1346659650 is a `hidden beast` number, since 1 + 3 + 4 + 6 + 6 + 596 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 202123089 + 1144536561 = 14217^2 + 33831^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1346659596 and 1346659605.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 3461656 + ... + 3462044.

Almost surely, 2^1346659650 is an apocalyptic number.

1346659650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1346659650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2123209530).

1346659650 is an abundant number, since it is smaller than the sum of its proper divisors (2899759410).

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

1346659650 is a wasteful number, since it uses less digits than its factorization.

1346659650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 1346659650 is about 36696.8615824296. The cubic root of 1346659650 is about 1104.2971445351.

The spelling of 1346659650 in words is "one billion, three hundred forty-six million, six hundred fifty-nine thousand, six hundred fifty".