61457163 has 8 divisors (see below), whose sum is σ = 82788048. Its totient is φ = 40548864.

The previous prime is 61457161. The next prime is 61457171. The reversal of 61457163 is 36175416.

61457163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61457163 - 2¹ = 61457161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61457161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105306 + ... + 105887.

It is an arithmetic number, because the mean of its divisors is an integer number (10348506).

Almost surely, 2^61457163 is an apocalyptic number.

61457163 is a deficient number, since it is larger than the sum of its proper divisors (21330885).

61457163 is a wasteful number, since it uses less digits than its factorization.

61457163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211293.

The product of its digits is 15120, while the sum is 33.

The square root of 61457163 is about 7839.4619075546. The cubic root of 61457163 is about 394.6306711786.

The spelling of 61457163 in words is "sixty-one million, four hundred fifty-seven thousand, one hundred sixty-three".