61158200 has 48 divisors (see below), whose sum is σ = 143026560. Its totient is φ = 24320000.

The previous prime is 61158143. The next prime is 61158211. The reversal of 61158200 is 285116.

61158200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 37400 + ... + 39000.

It is an arithmetic number, because the mean of its divisors is an integer number (2979720).

Almost surely, 2^61158200 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 61158200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71513280).

61158200 is an abundant number, since it is smaller than the sum of its proper divisors (81868360).

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

61158200 is a wasteful number, since it uses less digits than its factorization.

61158200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 61158200 is about 7820.3708351970. The cubic root of 61158200 is about 393.9897272009.

The spelling of 61158200 in words is "sixty-one million, one hundred fifty-eight thousand, two hundred".