5377181668 has 12 divisors (see below), whose sum is σ = 9963601452. Its totient is φ = 2530438400.

The previous prime is 5377181627. The next prime is 5377181713. The reversal of 5377181668 is 8661817735.

It can be written as a sum of positive squares in 2 ways, for example, as 2455995364 + 2921186304 = 49558^2 + 54048^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39538033 + ... + 39538168.

It is an arithmetic number, because the mean of its divisors is an integer number (830300121).

Almost surely, 2^5377181668 is an apocalyptic number.

It is an amenable number.

5377181668 is a deficient number, since it is larger than the sum of its proper divisors (4586419784).

5377181668 is a wasteful number, since it uses less digits than its factorization.

5377181668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79076222 (or 79076220 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 52.

The square root of 5377181668 is about 73329.2688358475. The cubic root of 5377181668 is about 1751.9359981798.

The spelling of 5377181668 in words is "five billion, three hundred seventy-seven million, one hundred eighty-one thousand, six hundred sixty-eight".