2061345167540 has 24 divisors (see below), whose sum is σ = 4420927510272. Its totient is φ = 806994703520.

The previous prime is 2061345167509. The next prime is 2061345167549. The reversal of 2061345167540 is 457615431602.

It is a junction number, because it is equal to n+sod(n) for n = 2061345167491 and 2061345167500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061345167549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1096459256 + ... + 1096461135.

It is an arithmetic number, because the mean of its divisors is an integer number (184205312928).

Almost surely, 2^{2061345167540} is an apocalyptic number.

2061345167540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2061345167540 is an abundant number, since it is smaller than the sum of its proper divisors (2359582342732).

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

2061345167540 is a wasteful number, since it uses less digits than its factorization.

2061345167540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192920447 (or 2192920445 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 2061345167540 in words is "two trillion, sixty-one billion, three hundred forty-five million, one hundred sixty-seven thousand, five hundred forty".