1660454034320 has 80 divisors (see below), whose sum is σ = 3866972997888. Its totient is φ = 663078474240.

The previous prime is 1660454034313. The next prime is 1660454034353. The reversal of 1660454034320 is 234304540661.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142878110 + ... + 142889730.

Almost surely, 2^{1660454034320} is an apocalyptic number.

1660454034320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1660454034320 is an abundant number, since it is smaller than the sum of its proper divisors (2206518963568).

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

1660454034320 is a wasteful number, since it uses less digits than its factorization.

1660454034320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14448 (or 14442 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 1660454034320 its reverse (234304540661), we get a palindrome (1894758574981).

The spelling of 1660454034320 in words is "one trillion, six hundred sixty billion, four hundred fifty-four million, thirty-four thousand, three hundred twenty".