5165557461 has 16 divisors (see below), whose sum is σ = 7654192000. Its totient is φ = 3443023584.

The previous prime is 5165557451. The next prime is 5165557469. The reversal of 5165557461 is 1647555615.

It is a happy number.

5165557461 is a `hidden beast` number, since 5 + 16 + 5 + 5 + 574 + 61 = 666.

It is not a de Polignac number, because 5165557461 - 2²³ = 5157168853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165557469) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 146265 + ... + 178113.

It is an arithmetic number, because the mean of its divisors is an integer number (478387000).

Almost surely, 2^5165557461 is an apocalyptic number.

It is an amenable number.

5165557461 is a deficient number, since it is larger than the sum of its proper divisors (2488634539).

5165557461 is a wasteful number, since it uses less digits than its factorization.

5165557461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37865 (or 37859 counting only the distinct ones).

The product of its digits is 630000, while the sum is 45.

The square root of 5165557461 is about 71871.8127015035. The cubic root of 5165557461 is about 1728.6446734970.

The spelling of 5165557461 in words is "five billion, one hundred sixty-five million, five hundred fifty-seven thousand, four hundred sixty-one".