61324016 has 30 divisors (see below), whose sum is σ = 128663640. Its totient is φ = 28302144.

The previous prime is 61323991. The next prime is 61324027. The reversal of 61324016 is 61042316.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61323982 and 61324000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8636 + ... + 14043.

It is an arithmetic number, because the mean of its divisors is an integer number (4288788).

Almost surely, 2^61324016 is an apocalyptic number.

It is an amenable number.

61324016 is an abundant number, since it is smaller than the sum of its proper divisors (67339624).

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

61324016 is a wasteful number, since it uses less digits than its factorization.

61324016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22713 (or 22694 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 61324016 is about 7830.9652023234. The cubic root of 61324016 is about 394.3454758837.

The spelling of 61324016 in words is "sixty-one million, three hundred twenty-four thousand, sixteen".