97601633481 has 16 divisors (see below), whose sum is σ = 142262415360. Its totient is φ = 59029003920.

The previous prime is 97601633477. The next prime is 97601633497. The reversal of 97601633481 is 18433610679.

It is a happy number.

It is not a de Polignac number, because 97601633481 - 2² = 97601633477 is a prime.

It is a super-2 number, since 2×97601633481² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97601633481.

It is not an unprimeable number, because it can be changed into a prime (97601633681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3071485 + ... + 3103098.

It is an arithmetic number, because the mean of its divisors is an integer number (8891400960).

Almost surely, 2^97601633481 is an apocalyptic number.

It is an amenable number.

97601633481 is a deficient number, since it is larger than the sum of its proper divisors (44660781879).

97601633481 is a wasteful number, since it uses less digits than its factorization.

97601633481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175076.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 97601633481 in words is "ninety-seven billion, six hundred one million, six hundred thirty-three thousand, four hundred eighty-one".