4163555461 has 8 divisors (see below), whose sum is σ = 4491152120. Its totient is φ = 3837004992.

The previous prime is 4163555449. The next prime is 4163555467. The reversal of 4163555461 is 1645553614.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 707879236 + 3455676225 = 26606^2 + 58785^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4163555461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4163555467) 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, 253266 + ... + 269203.

It is an arithmetic number, because the mean of its divisors is an integer number (561394015).

Almost surely, 2^4163555461 is an apocalyptic number.

It is an amenable number.

4163555461 is a deficient number, since it is larger than the sum of its proper divisors (327596659).

4163555461 is a wasteful number, since it uses less digits than its factorization.

4163555461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523095.

The product of its digits is 216000, while the sum is 40.

The square root of 4163555461 is about 64525.6186409708. The cubic root of 4163555461 is about 1608.7483631429.

The spelling of 4163555461 in words is "four billion, one hundred sixty-three million, five hundred fifty-five thousand, four hundred sixty-one".