2057115705660 has 96 divisors (see below), whose sum is σ = 6400123269120. Its totient is φ = 548546382144.

The previous prime is 2057115705649. The next prime is 2057115705679. The reversal of 2057115705660 is 665075117502.

2057115705660 is a `hidden beast` number, since 2 + 0 + 5 + 7 + 1 + 15 + 70 + 566 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31399057 + ... + 31464503.

It is an arithmetic number, because the mean of its divisors is an integer number (66667950720).

Almost surely, 2^{2057115705660} is an apocalyptic number.

2057115705660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057115705660 is an abundant number, since it is smaller than the sum of its proper divisors (4343007563460).

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

2057115705660 is a wasteful number, since it uses less digits than its factorization.

2057115705660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123672 (or 123664 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The spelling of 2057115705660 in words is "two trillion, fifty-seven billion, one hundred fifteen million, seven hundred five thousand, six hundred sixty".