61035678916 has 9 divisors (see below), whose sum is σ = 106813302799. Its totient is φ = 30517592404.

The previous prime is 61035678883. The next prime is 61035678929. The reversal of 61035678916 is 61987653016.

It is a happy number.

The square root of 61035678916 is 247054.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 432345 + ... + 555871.

Almost surely, 2^61035678916 is an apocalyptic number.

61035678916 is the 247054-th square number.

It is an amenable number.

61035678916 is a deficient number, since it is larger than the sum of its proper divisors (45777623883).

61035678916 is an frugal number, since it uses more digits than its factorization.

61035678916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247058 (or 123529 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 61035678916 in words is "sixty-one billion, thirty-five million, six hundred seventy-eight thousand, nine hundred sixteen".