5665051494 has 16 divisors (see below), whose sum is σ = 12589003440. Its totient is φ = 1888350480.

The previous prime is 5665051489. The next prime is 5665051523. The reversal of 5665051494 is 4941505665.

5665051494 is a `hidden beast` number, since 5 + 66 + 50 + 51 + 494 = 666.

It is a Curzon 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, 52454127 + ... + 52454234.

It is an arithmetic number, because the mean of its divisors is an integer number (786812715).

Almost surely, 2^5665051494 is an apocalyptic number.

5665051494 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

5665051494 is an abundant number, since it is smaller than the sum of its proper divisors (6923951946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5665051494 is a wasteful number, since it uses less digits than its factorization.

5665051494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104908372 (or 104908366 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 5665051494 is about 75266.5363491638. The cubic root of 5665051494 is about 1782.6576776365.

The spelling of 5665051494 in words is "five billion, six hundred sixty-five million, fifty-one thousand, four hundred ninety-four".