61316600 has 48 divisors (see below), whose sum is σ = 143335320. Its totient is φ = 24393600.

The previous prime is 61316587. The next prime is 61316611. The reversal of 61316600 is 661316.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41474 + ... + 42926.

Almost surely, 2^61316600 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 61316600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71667660).

61316600 is an abundant number, since it is smaller than the sum of its proper divisors (82018720).

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

61316600 is a wasteful number, since it uses less digits than its factorization.

61316600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 61316600 is about 7830.4916831576. The cubic root of 61316600 is about 394.3295789908.

Adding to 61316600 its reverse (661316), we get a palindrome (61977916).

It can be divided in two parts, 61316 and 600, that added together give a palindrome (61916).

The spelling of 61316600 in words is "sixty-one million, three hundred sixteen thousand, six hundred".