1341664560 has 200 divisors, whose sum is σ = 4687909776. Its totient is φ = 355622400.

The previous prime is 1341664553. The next prime is 1341664579. The reversal of 1341664560 is 654661431.

It is a happy number.

1341664560 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 6 + 645 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1276035 + ... + 1277085.

Almost surely, 2^1341664560 is an apocalyptic number.

1341664560 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 1341664560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2343954888).

1341664560 is an abundant number, since it is smaller than the sum of its proper divisors (3346245216).

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

1341664560 is a wasteful number, since it uses less digits than its factorization.

1341664560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1341664560 is about 36628.7395360528. The cubic root of 1341664560 is about 1102.9300834875.

The spelling of 1341664560 in words is "one billion, three hundred forty-one million, six hundred sixty-four thousand, five hundred sixty".