61348866 has 16 divisors (see below), whose sum is σ = 128032704. Its totient is φ = 19560464.

The previous prime is 61348823. The next prime is 61348867. The reversal of 61348866 is 66884316.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61348867) 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, 222141 + ... + 222416.

It is an arithmetic number, because the mean of its divisors is an integer number (8002044).

Almost surely, 2^61348866 is an apocalyptic number.

61348866 is an abundant number, since it is smaller than the sum of its proper divisors (66683838).

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

61348866 is a wasteful number, since it uses less digits than its factorization.

61348866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444585.

The product of its digits is 165888, while the sum is 42.

The square root of 61348866 is about 7832.5516914988. The cubic root of 61348866 is about 394.3987348532.

The spelling of 61348866 in words is "sixty-one million, three hundred forty-eight thousand, eight hundred sixty-six".