61416500 has 24 divisors (see below), whose sum is σ = 134134728. Its totient is φ = 24566400.

The previous prime is 61416479. The next prime is 61416527. The reversal of 61416500 is 561416.

It can be written as a sum of positive squares in 4 ways, for example, as 44944 + 61371556 = 212^2 + 7834^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60917 + ... + 61916.

It is an arithmetic number, because the mean of its divisors is an integer number (5588947).

Almost surely, 2^61416500 is an apocalyptic number.

It is an amenable number.

61416500 is an abundant number, since it is smaller than the sum of its proper divisors (72718228).

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

61416500 is a wasteful number, since it uses less digits than its factorization.

61416500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122852 (or 122840 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 61416500 is about 7836.8679968467. The cubic root of 61416500 is about 394.5436164637.

Adding to 61416500 its reverse (561416), we get a palindrome (61977916).

It can be divided in two parts, 61416 and 500, that added together give a palindrome (61916).

The spelling of 61416500 in words is "sixty-one million, four hundred sixteen thousand, five hundred".