61163064 has 48 divisors (see below), whose sum is σ = 167762400. Its totient is φ = 20127744.

The previous prime is 61163041. The next prime is 61163083. The reversal of 61163064 is 46036116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 312 + ... + 11064.

It is an arithmetic number, because the mean of its divisors is an integer number (3495050).

Almost surely, 2^61163064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61163064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83881200).

61163064 is an abundant number, since it is smaller than the sum of its proper divisors (106599336).

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

61163064 is a wasteful number, since it uses less digits than its factorization.

61163064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10844 (or 10837 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 61163064 is about 7820.6818117093. The cubic root of 61163064 is about 394.0001717814. Note that the first 3 decimals are identical.

It can be divided in two parts, 6116 and 3064, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 61163064 in words is "sixty-one million, one hundred sixty-three thousand, sixty-four".