61030016 has 32 divisors (see below), whose sum is σ = 121990980. Its totient is φ = 30412800.

The previous prime is 61030001. The next prime is 61030027. The reversal of 61030016 is 61003016.

It can be written as a sum of positive squares in 2 ways, for example, as 56190016 + 4840000 = 7496^2 + 2200^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 61029976 and 61030003.

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, 50216 + ... + 51416.

Almost surely, 2^61030016 is an apocalyptic number.

It is an amenable number.

61030016 is a deficient number, since it is larger than the sum of its proper divisors (60960964).

61030016 is a wasteful number, since it uses less digits than its factorization.

61030016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 61030016 is about 7812.1710170733. The cubic root of 61030016 is about 393.7142748809.

Subtracting from 61030016 its reverse (61003016), we obtain a cube (27000 = 30³).

The spelling of 61030016 in words is "sixty-one million, thirty thousand, sixteen".