5165520646 has 32 divisors (see below), whose sum is σ = 9163236096. Its totient is φ = 2152980000.

The previous prime is 5165520631. The next prime is 5165520691. The reversal of 5165520646 is 6460255615.

5165520646 = 6190² + 6191² + ... + 6321².

It is a junction number, because it is equal to n+sod(n) for n = 5165520599 and 5165520608.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16620 + ... + 102991.

It is an arithmetic number, because the mean of its divisors is an integer number (286351128).

Almost surely, 2^5165520646 is an apocalyptic number.

5165520646 is a deficient number, since it is larger than the sum of its proper divisors (3997715450).

5165520646 is a wasteful number, since it uses less digits than its factorization.

5165520646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119788.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 5165520646 is about 71871.5565853419. The cubic root of 5165520646 is about 1728.6405667956.

The spelling of 5165520646 in words is "five billion, one hundred sixty-five million, five hundred twenty thousand, six hundred forty-six".