5165865654 has 32 divisors (see below), whose sum is σ = 10886282880. Its totient is φ = 1629709632.

The previous prime is 5165865629. The next prime is 5165865689. The reversal of 5165865654 is 4565685615.

It is a junction number, because it is equal to n+sod(n) for n = 5165865597 and 5165865606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95829 + ... + 139695.

It is an arithmetic number, because the mean of its divisors is an integer number (340196340).

Almost surely, 2^5165865654 is an apocalyptic number.

5165865654 is an abundant number, since it is smaller than the sum of its proper divisors (5720417226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5165865654 is a wasteful number, since it uses less digits than its factorization.

5165865654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44924.

The product of its digits is 4320000, while the sum is 51.

The square root of 5165865654 is about 71873.9567159065. The cubic root of 5165865654 is about 1728.6790515608.

The spelling of 5165865654 in words is "five billion, one hundred sixty-five million, eight hundred sixty-five thousand, six hundred fifty-four".