61656432343326 has 24 divisors (see below), whose sum is σ = 135089936036640. Its totient is φ = 20321221146336.

The previous prime is 61656432343309. The next prime is 61656432343327. The reversal of 61656432343326 is 62334323465616.

61656432343326 is a `hidden beast` number, since 6 + 1 + 6 + 564 + 3 + 2 + 3 + 43 + 32 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61656432343327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19243579030 + ... + 19243582233.

It is an arithmetic number, because the mean of its divisors is an integer number (5628747334860).

Almost surely, 2^{61656432343326} is an apocalyptic number.

61656432343326 is an abundant number, since it is smaller than the sum of its proper divisors (73433503693314).

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

61656432343326 is a wasteful number, since it uses less digits than its factorization.

61656432343326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38487161360 (or 38487161357 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 54.

The spelling of 61656432343326 in words is "sixty-one trillion, six hundred fifty-six billion, four hundred thirty-two million, three hundred forty-three thousand, three hundred twenty-six".