61461516 has 12 divisors (see below), whose sum is σ = 143410232. Its totient is φ = 20487168.

The previous prime is 61461493. The next prime is 61461529. The reversal of 61461516 is 61516416.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560885 + ... + 2560908.

Almost surely, 2^61461516 is an apocalyptic number.

It is an amenable number.

61461516 is an abundant number, since it is smaller than the sum of its proper divisors (81948716).

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

61461516 is a wasteful number, since it uses less digits than its factorization.

61461516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121800 (or 5121798 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 61461516 is about 7839.7395364897. The cubic root of 61461516 is about 394.6399881655.

The spelling of 61461516 in words is "sixty-one million, four hundred sixty-one thousand, five hundred sixteen".