61268686 has 8 divisors (see below), whose sum is σ = 93274920. Its totient is φ = 30177048.

The previous prime is 61268671. The next prime is 61268693. The reversal of 61268686 is 68686216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 228481 + ... + 228748.

It is an arithmetic number, because the mean of its divisors is an integer number (11659365).

Almost surely, 2^61268686 is an apocalyptic number.

61268686 is a deficient number, since it is larger than the sum of its proper divisors (32006234).

61268686 is a wasteful number, since it uses less digits than its factorization.

61268686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457298.

The product of its digits is 165888, while the sum is 43.

The square root of 61268686 is about 7827.4316349618. The cubic root of 61268686 is about 394.2268399231.

The spelling of 61268686 in words is "sixty-one million, two hundred sixty-eight thousand, six hundred eighty-six".