5155493665 has 8 divisors (see below), whose sum is σ = 7070391360. Its totient is φ = 3535195632.

The previous prime is 5155493659. The next prime is 5155493669. The reversal of 5155493665 is 5663945515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5155493665 - 2⁷ = 5155493537 is a prime.

It is a super-2 number, since 2×5155493665² = 53158229859710264450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5155493669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73649875 + ... + 73649944.

It is an arithmetic number, because the mean of its divisors is an integer number (883798920).

Almost surely, 2^5155493665 is an apocalyptic number.

It is an amenable number.

5155493665 is a deficient number, since it is larger than the sum of its proper divisors (1914897695).

5155493665 is a wasteful number, since it uses less digits than its factorization.

5155493665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147299831.

The product of its digits is 2430000, while the sum is 49.

The square root of 5155493665 is about 71801.7664476300. The cubic root of 5155493665 is about 1727.5213331509.

The spelling of 5155493665 in words is "five billion, one hundred fifty-five million, four hundred ninety-three thousand, six hundred sixty-five".