61336646 has 16 divisors (see below), whose sum is σ = 111334176. Its totient is φ = 24740736.

The previous prime is 61336643. The next prime is 61336661. The reversal of 61336646 is 64663316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61336643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128621 + ... + 129096.

It is an arithmetic number, because the mean of its divisors is an integer number (6958386).

Almost surely, 2^61336646 is an apocalyptic number.

61336646 is a deficient number, since it is larger than the sum of its proper divisors (49997530).

61336646 is a wasteful number, since it uses less digits than its factorization.

61336646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257743.

The product of its digits is 46656, while the sum is 35.

The square root of 61336646 is about 7831.7715748099. The cubic root of 61336646 is about 394.3725465258.

The spelling of 61336646 in words is "sixty-one million, three hundred thirty-six thousand, six hundred forty-six".