1766053079420 has 144 divisors (see below), whose sum is σ = 4569218851680. Its totient is φ = 569733083136.

The previous prime is 1766053079411. The next prime is 1766053079423. The reversal of 1766053079420 is 249703506671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1766053079423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73441919 + ... + 73465961.

It is an arithmetic number, because the mean of its divisors is an integer number (31730686470).

Almost surely, 2^{1766053079420} is an apocalyptic number.

1766053079420 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 1766053079420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2284609425840).

1766053079420 is an abundant number, since it is smaller than the sum of its proper divisors (2803165772260).

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

1766053079420 is a wasteful number, since it uses less digits than its factorization.

1766053079420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28492 (or 28483 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 1766053079420 in words is "one trillion, seven hundred sixty-six billion, fifty-three million, seventy-nine thousand, four hundred twenty".