5166615572 has 6 divisors (see below), whose sum is σ = 9041577258. Its totient is φ = 2583307784.

The previous prime is 5166615539. The next prime is 5166615581. The reversal of 5166615572 is 2755166615.

It can be written as a sum of positive squares in only one way, i.e., 4942933636 + 223681936 = 70306^2 + 14956^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645826943 + ... + 645826950.

It is an arithmetic number, because the mean of its divisors is an integer number (1506929543).

Almost surely, 2^5166615572 is an apocalyptic number.

It is an amenable number.

5166615572 is a deficient number, since it is larger than the sum of its proper divisors (3874961686).

5166615572 is a wasteful number, since it uses less digits than its factorization.

5166615572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291653897 (or 1291653895 counting only the distinct ones).

The product of its digits is 378000, while the sum is 44.

The square root of 5166615572 is about 71879.1734231829. The cubic root of 5166615572 is about 1728.7626970973.

The spelling of 5166615572 in words is "five billion, one hundred sixty-six million, six hundred fifteen thousand, five hundred seventy-two".