13453456660 has 72 divisors (see below), whose sum is σ = 32883792480. Its totient is φ = 4609958976.

The previous prime is 13453456657. The next prime is 13453456693. The reversal of 13453456660 is 6665435431.

It is a super-2 number, since 2×13453456660² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2524759 + ... + 2530081.

It is an arithmetic number, because the mean of its divisors is an integer number (456719340).

Almost surely, 2^13453456660 is an apocalyptic number.

13453456660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13453456660 is an abundant number, since it is smaller than the sum of its proper divisors (19430335820).

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

13453456660 is a wasteful number, since it uses less digits than its factorization.

13453456660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7925 (or 7916 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 13453456660 in words is "thirteen billion, four hundred fifty-three million, four hundred fifty-six thousand, six hundred sixty".