97421113243656 has 192 divisors, whose sum is σ = 278710653686400. Its totient is φ = 30656658622464.

The previous prime is 97421113243613. The next prime is 97421113243661. The reversal of 97421113243656 is 65634231112479.

97421113243656 is a `hidden beast` number, since 9 + 7 + 4 + 21 + 1 + 132 + 436 + 56 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 865270741 + ... + 865383323.

It is an arithmetic number, because the mean of its divisors is an integer number (1451617987950).

Almost surely, 2^{97421113243656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97421113243656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139355326843200).

97421113243656 is an abundant number, since it is smaller than the sum of its proper divisors (181289540442744).

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

97421113243656 is a wasteful number, since it uses less digits than its factorization.

97421113243656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114828 (or 114821 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 97421113243656 in words is "ninety-seven trillion, four hundred twenty-one billion, one hundred thirteen million, two hundred forty-three thousand, six hundred fifty-six".