5540656165 has 8 divisors (see below), whose sum is σ = 7253222688. Its totient is φ = 4029568080.

The previous prime is 5540656157. The next prime is 5540656211. The reversal of 5540656165 is 5616560455.

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

It is not a de Polignac number, because 5540656165 - 2³ = 5540656157 is a prime.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 50369547 + ... + 50369656.

It is an arithmetic number, because the mean of its divisors is an integer number (906652836).

Almost surely, 2^5540656165 is an apocalyptic number.

5540656165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5540656165 is a deficient number, since it is larger than the sum of its proper divisors (1712566523).

5540656165 is a wasteful number, since it uses less digits than its factorization.

5540656165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100739219.

The product of its (nonzero) digits is 540000, while the sum is 43.

The square root of 5540656165 is about 74435.5839971717. The cubic root of 5540656165 is about 1769.5129012776.

The spelling of 5540656165 in words is "five billion, five hundred forty million, six hundred fifty-six thousand, one hundred sixty-five".