61587162 has 128 divisors (see below), whose sum is σ = 171601920. Its totient is φ = 15940800.

The previous prime is 61587157. The next prime is 61587179. The reversal of 61587162 is 26178516.

61587162 is a `hidden beast` number, since 61 + 587 + 16 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 407787 + ... + 407937.

It is an arithmetic number, because the mean of its divisors is an integer number (1340640).

Almost surely, 2^61587162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61587162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85800960).

61587162 is an abundant number, since it is smaller than the sum of its proper divisors (110014758).

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

61587162 is a wasteful number, since it uses less digits than its factorization.

61587162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 259 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 61587162 is about 7847.7488491924. The cubic root of 61587162 is about 394.9087264406.

The spelling of 61587162 in words is "sixty-one million, five hundred eighty-seven thousand, one hundred sixty-two".