5165520166 has 4 divisors (see below), whose sum is σ = 7748280252. Its totient is φ = 2582760082.

The previous prime is 5165520133. The next prime is 5165520197. The reversal of 5165520166 is 6610255615.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 1291380040 + ... + 1291380043.

It is an arithmetic number, because the mean of its divisors is an integer number (1937070063).

Almost surely, 2^5165520166 is an apocalyptic number.

5165520166 is a deficient number, since it is larger than the sum of its proper divisors (2582760086).

5165520166 is a wasteful number, since it uses less digits than its factorization.

5165520166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582760085.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 5165520166 is about 71871.5532460514. The cubic root of 5165520166 is about 1728.6405132517.

The spelling of 5165520166 in words is "five billion, one hundred sixty-five million, five hundred twenty thousand, one hundred sixty-six".