61656353 has 8 divisors (see below), whose sum is σ = 70186176. Its totient is φ = 53614000.

The previous prime is 61656347. The next prime is 61656373. The reversal of 61656353 is 35365616.

61656353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61656353 - 2⁴ = 61656337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61656313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121598 + ... + 122103.

It is an arithmetic number, because the mean of its divisors is an integer number (8773272).

Almost surely, 2^61656353 is an apocalyptic number.

It is an amenable number.

61656353 is a deficient number, since it is larger than the sum of its proper divisors (8529823).

61656353 is a wasteful number, since it uses less digits than its factorization.

61656353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243735.

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

The square root of 61656353 is about 7852.1559459807. The cubic root of 61656353 is about 395.0565597586.

It can be divided in two parts, 616563 and 53, that added together give a palindrome (616616).

The spelling of 61656353 in words is "sixty-one million, six hundred fifty-six thousand, three hundred fifty-three".