2553166537 has 8 divisors (see below), whose sum is σ = 2624808200. Its totient is φ = 2481663744.

The previous prime is 2553166513. The next prime is 2553166579. The reversal of 2553166537 is 7356613552.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1034973241 + 1518193296 = 32171^2 + 38964^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2553166537 - 2¹¹ = 2553164489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2553166493 and 2553166502.

It is not an unprimeable number, because it can be changed into a prime (2553166507) 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, 3139 + ... + 71527.

It is an arithmetic number, because the mean of its divisors is an integer number (328101025).

Almost surely, 2^2553166537 is an apocalyptic number.

It is an amenable number.

2553166537 is a deficient number, since it is larger than the sum of its proper divisors (71641663).

2553166537 is a wasteful number, since it uses less digits than its factorization.

2553166537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69435.

The product of its digits is 567000, while the sum is 43.

The square root of 2553166537 is about 50528.8683526556. The cubic root of 2553166537 is about 1366.7624792303.

The spelling of 2553166537 in words is "two billion, five hundred fifty-three million, one hundred sixty-six thousand, five hundred thirty-seven".