61366355 has 8 divisors (see below), whose sum is σ = 74648832. Its totient is φ = 48420288.

The previous prime is 61366351. The next prime is 61366373. The reversal of 61366355 is 55366316.

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

It is a cyclic number.

It is not a de Polignac number, because 61366355 - 2² = 61366351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61366351) 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, 83699 + ... + 84428.

It is an arithmetic number, because the mean of its divisors is an integer number (9331104).

Almost surely, 2^61366355 is an apocalyptic number.

61366355 is a deficient number, since it is larger than the sum of its proper divisors (13282477).

61366355 is a wasteful number, since it uses less digits than its factorization.

61366355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168205.

The product of its digits is 48600, while the sum is 35.

The square root of 61366355 is about 7833.6680424945. The cubic root of 61366355 is about 394.4362089723.

The spelling of 61366355 in words is "sixty-one million, three hundred sixty-six thousand, three hundred fifty-five".