5515152166 has 4 divisors (see below), whose sum is σ = 8272728252. Its totient is φ = 2757576082.

The previous prime is 5515152163. The next prime is 5515152197. The reversal of 5515152166 is 6612515155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6612515155 = 5 ⋅1322503031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515152163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378788040 + ... + 1378788043.

It is an arithmetic number, because the mean of its divisors is an integer number (2068182063).

Almost surely, 2^5515152166 is an apocalyptic number.

5515152166 is a deficient number, since it is larger than the sum of its proper divisors (2757576086).

5515152166 is a wasteful number, since it uses less digits than its factorization.

5515152166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757576085.

The product of its digits is 45000, while the sum is 37.

The square root of 5515152166 is about 74264.0704917257. The cubic root of 5515152166 is about 1766.7936639136.

The spelling of 5515152166 in words is "five billion, five hundred fifteen million, one hundred fifty-two thousand, one hundred sixty-six".