5165868387 has 16 divisors (see below), whose sum is σ = 7412552352. Its totient is φ = 3188190720.

The previous prime is 5165868361. The next prime is 5165868391. The reversal of 5165868387 is 7838685615.

It is not a de Polignac number, because 5165868387 - 2³² = 870901091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5165868347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 827148 + ... + 833369.

It is an arithmetic number, because the mean of its divisors is an integer number (463284522).

Almost surely, 2^5165868387 is an apocalyptic number.

5165868387 is a deficient number, since it is larger than the sum of its proper divisors (2246683965).

5165868387 is a wasteful number, since it uses less digits than its factorization.

5165868387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660598.

The product of its digits is 9676800, while the sum is 57.

The square root of 5165868387 is about 71873.9757283539. The cubic root of 5165868387 is about 1728.6793564132.

The spelling of 5165868387 in words is "five billion, one hundred sixty-five million, eight hundred sixty-eight thousand, three hundred eighty-seven".