5165835381 has 48 divisors (see below), whose sum is σ = 8836439040. Its totient is φ = 2845774080.

The previous prime is 5165835371. The next prime is 5165835391. The reversal of 5165835381 is 1835385615.

5165835381 is a `hidden beast` number, since 5 + 16 + 583 + 53 + 8 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (5165835371) and next prime (5165835391).

It is not a de Polignac number, because 5165835381 - 2¹⁰ = 5165834357 is a prime.

It is a super-2 number, since 2×5165835381² = 53371710367182830322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165835361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 520441 + ... + 530273.

It is an arithmetic number, because the mean of its divisors is an integer number (184092480).

Almost surely, 2^5165835381 is an apocalyptic number.

It is an amenable number.

5165835381 is a deficient number, since it is larger than the sum of its proper divisors (3670603659).

5165835381 is a wasteful number, since it uses less digits than its factorization.

5165835381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10146 (or 10143 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The square root of 5165835381 is about 71873.7461177585. The cubic root of 5165835381 is about 1728.6756747532.

The spelling of 5165835381 in words is "five billion, one hundred sixty-five million, eight hundred thirty-five thousand, three hundred eighty-one".