61986060 has 120 divisors (see below), whose sum is σ = 197222256. Its totient is φ = 16295040.

The previous prime is 61986031. The next prime is 61986083. The reversal of 61986060 is 6068916.

61986060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 39 ways as a sum of consecutive naturals, for example, 134230 + ... + 134690.

Almost surely, 2^61986060 is an apocalyptic number.

61986060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61986060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98611128).

61986060 is an abundant number, since it is smaller than the sum of its proper divisors (135236196).

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

61986060 is a wasteful number, since it uses less digits than its factorization.

61986060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 61986060 is about 7873.1226333647. The cubic root of 61986060 is about 395.7594958366.

The spelling of 61986060 in words is "sixty-one million, nine hundred eighty-six thousand, sixty".