5165853551 has 8 divisors (see below), whose sum is σ = 5442737520. Its totient is φ = 4889469312.

The previous prime is 5165853523. The next prime is 5165853599. The reversal of 5165853551 is 1553585615.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5165853551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165853151) 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, 103610 + ... + 145143.

It is an arithmetic number, because the mean of its divisors is an integer number (680342190).

Almost surely, 2^5165853551 is an apocalyptic number.

5165853551 is a deficient number, since it is larger than the sum of its proper divisors (276883969).

5165853551 is a wasteful number, since it uses less digits than its factorization.

5165853551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249865.

The product of its digits is 450000, while the sum is 44.

The square root of 5165853551 is about 71873.8725198524. The cubic root of 5165853551 is about 1728.6777015309.

The spelling of 5165853551 in words is "five billion, one hundred sixty-five million, eight hundred fifty-three thousand, five hundred fifty-one".