2061739165920 has 1536 divisors, whose sum is σ = 8378463744000. Its totient is φ = 415648972800.

The previous prime is 2061739165903. The next prime is 2061739165933. The reversal of 2061739165920 is 295619371602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 5907561906 + ... + 5907562254.

It is an arithmetic number, because the mean of its divisors is an integer number (5454729000).

Almost surely, 2^{2061739165920} is an apocalyptic number.

2061739165920 is a gapful number since it is divisible by the number (20) 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 2061739165920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4189231872000).

2061739165920 is an abundant number, since it is smaller than the sum of its proper divisors (6316724578080).

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

2061739165920 is a wasteful number, since it uses less digits than its factorization.

2061739165920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 2061739165920 in words is "two trillion, sixty-one billion, seven hundred thirty-nine million, one hundred sixty-five thousand, nine hundred twenty".