61316332 has 48 divisors (see below), whose sum is σ = 134523648. Its totient is φ = 23757120.

The previous prime is 61316329. The next prime is 61316347. The reversal of 61316332 is 23361316.

It is a junction number, because it is equal to n+sod(n) for n = 61316297 and 61316306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69478 + ... + 70354.

It is an arithmetic number, because the mean of its divisors is an integer number (2802576).

Almost surely, 2^61316332 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 61316332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67261824).

61316332 is an abundant number, since it is smaller than the sum of its proper divisors (73207316).

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

61316332 is a wasteful number, since it uses less digits than its factorization.

61316332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1124 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

The square root of 61316332 is about 7830.4745705481. The cubic root of 61316332 is about 394.3290044836.

Adding to 61316332 its reverse (23361316), we get a palindrome (84677648).

The spelling of 61316332 in words is "sixty-one million, three hundred sixteen thousand, three hundred thirty-two".