61016646 has 16 divisors (see below), whose sum is σ = 122206464. Its totient is φ = 20310024.

The previous prime is 61016639. The next prime is 61016647. The reversal of 61016646 is 64661016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61016647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386 + ... + 11301.

It is an arithmetic number, because the mean of its divisors is an integer number (7637904).

Almost surely, 2^61016646 is an apocalyptic number.

61016646 is an abundant number, since it is smaller than the sum of its proper divisors (61189818).

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

61016646 is a wasteful number, since it uses less digits than its factorization.

61016646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14435.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 61016646 is about 7811.3152541681. The cubic root of 61016646 is about 393.6855221204.

The spelling of 61016646 in words is "sixty-one million, sixteen thousand, six hundred forty-six".