61404016 has 20 divisors (see below), whose sum is σ = 122186872. Its totient is φ = 29871936.

The previous prime is 61404011. The next prime is 61404047. The reversal of 61404016 is 61040416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61404011) 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, 51270 + ... + 52453.

Almost surely, 2^61404016 is an apocalyptic number.

It is an amenable number.

61404016 is a deficient number, since it is larger than the sum of its proper divisors (60782856).

61404016 is a wasteful number, since it uses less digits than its factorization.

61404016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103768 (or 103762 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 61404016 is about 7836.0714647073. The cubic root of 61404016 is about 394.5168819744.

The spelling of 61404016 in words is "sixty-one million, four hundred four thousand, sixteen".