61315016 has 16 divisors (see below), whose sum is σ = 131389440. Its totient is φ = 26277840.

The previous prime is 61315013. The next prime is 61315069. The reversal of 61315016 is 61051316.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61314982 and 61315000.

It is not an unprimeable number, because it can be changed into a prime (61315013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547400 + ... + 547511.

It is an arithmetic number, because the mean of its divisors is an integer number (8211840).

Almost surely, 2^61315016 is an apocalyptic number.

It is an amenable number.

61315016 is an abundant number, since it is smaller than the sum of its proper divisors (70074424).

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

61315016 is a wasteful number, since it uses less digits than its factorization.

61315016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094924 (or 1094920 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 61315016 is about 7830.3905394303. The cubic root of 61315016 is about 394.3261833718.

The spelling of 61315016 in words is "sixty-one million, three hundred fifteen thousand, sixteen".