61344516 has 24 divisors (see below), whose sum is σ = 143265024. Its totient is φ = 20429920.

The previous prime is 61344509. The next prime is 61344529. The reversal of 61344516 is 61544316.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22381 + ... + 24971.

It is an arithmetic number, because the mean of its divisors is an integer number (5969376).

Almost surely, 2^61344516 is an apocalyptic number.

It is an amenable number.

61344516 is an abundant number, since it is smaller than the sum of its proper divisors (81920508).

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

61344516 is a wasteful number, since it uses less digits than its factorization.

61344516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4571 (or 4569 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 61344516 is about 7832.2739992929. The cubic root of 61344516 is about 394.3894128931.

The spelling of 61344516 in words is "sixty-one million, three hundred forty-four thousand, five hundred sixteen".