1334345661 has 24 divisors (see below), whose sum is σ = 2213271840. Its totient is φ = 766130400.

The previous prime is 1334345653. The next prime is 1334345707. The reversal of 1334345661 is 1665434331.

It is not a de Polignac number, because 1334345661 - 2³ = 1334345653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334345261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 352810 + ... + 356571.

It is an arithmetic number, because the mean of its divisors is an integer number (92219660).

Almost surely, 2^1334345661 is an apocalyptic number.

1334345661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1334345661 is a deficient number, since it is larger than the sum of its proper divisors (878926179).

1334345661 is a wasteful number, since it uses less digits than its factorization.

1334345661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709417 (or 709414 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 1334345661 is about 36528.6964043339. The cubic root of 1334345661 is about 1100.9208985236.

Adding to 1334345661 its reverse (1665434331), we get a palindrome (2999779992).

The spelling of 1334345661 in words is "one billion, three hundred thirty-four million, three hundred forty-five thousand, six hundred sixty-one".