60661332 has 48 divisors (see below), whose sum is σ = 159062400. Its totient is φ = 19990080.

The previous prime is 60661303. The next prime is 60661339. The reversal of 60661332 is 23316606.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 60661296 and 60661305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60661339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6457 + ... + 12767.

It is an arithmetic number, because the mean of its divisors is an integer number (3313800).

Almost surely, 2^60661332 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 60661332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79531200).

60661332 is an abundant number, since it is smaller than the sum of its proper divisors (98401068).

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

60661332 is a wasteful number, since it uses less digits than its factorization.

60661332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413 (or 6405 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 60661332 is about 7788.5385021838. The cubic root of 60661332 is about 392.9198601232.

Adding to 60661332 its reverse (23316606), we get a palindrome (83977938).

The spelling of 60661332 in words is "sixty million, six hundred sixty-one thousand, three hundred thirty-two".