1657108053 has 12 divisors (see below), whose sum is σ = 2476138860. Its totient is φ = 1066644096.

The previous prime is 1657108027. The next prime is 1657108091. The reversal of 1657108053 is 3508017561.

1657108053 is a `hidden beast` number, since 1 + 6 + 571 + 0 + 80 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 572262084 + 1084845969 = 23922^2 + 32937^2 .

It is not a de Polignac number, because 1657108053 - 2⁸ = 1657107797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1657107999 and 1657108017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1657101053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3174276 + ... + 3174797.

It is an arithmetic number, because the mean of its divisors is an integer number (206344905).

Almost surely, 2^1657108053 is an apocalyptic number.

It is an amenable number.

1657108053 is a deficient number, since it is larger than the sum of its proper divisors (819030807).

1657108053 is a wasteful number, since it uses less digits than its factorization.

1657108053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6349108 (or 6349105 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1657108053 is about 40707.5920805935. The cubic root of 1657108053 is about 1183.3601566006.

The spelling of 1657108053 in words is "one billion, six hundred fifty-seven million, one hundred eight thousand, fifty-three".