7454320751660 has 384 divisors, whose sum is σ = 18139180953600. Its totient is φ = 2555356446720.

The previous prime is 7454320751659. The next prime is 7454320751663. The reversal of 7454320751660 is 661570234547.

It is a junction number, because it is equal to n+sod(n) for n = 7454320751599 and 7454320751608.

It is not an unprimeable number, because it can be changed into a prime (7454320751663) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10914085679 + ... + 10914086361.

It is an arithmetic number, because the mean of its divisors is an integer number (47237450400).

Almost surely, 2^{7454320751660} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7454320751660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9069590476800).

7454320751660 is an abundant number, since it is smaller than the sum of its proper divisors (10684860201940).

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

7454320751660 is a wasteful number, since it uses less digits than its factorization.

7454320751660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 7454320751660 in words is "seven trillion, four hundred fifty-four billion, three hundred twenty million, seven hundred fifty-one thousand, six hundred sixty".