97316383581 has 8 divisors (see below), whose sum is σ = 144172420160. Its totient is φ = 64877589036.

The previous prime is 97316383517. The next prime is 97316383609. The reversal of 97316383581 is 18538361379.

It is not a de Polignac number, because 97316383581 - 2⁶ = 97316383517 is a prime.

It is a super-2 number, since 2×97316383581² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97316388581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1802155225 + ... + 1802155278.

It is an arithmetic number, because the mean of its divisors is an integer number (18021552520).

Almost surely, 2^97316383581 is an apocalyptic number.

It is an amenable number.

97316383581 is a deficient number, since it is larger than the sum of its proper divisors (46856036579).

97316383581 is a wasteful number, since it uses less digits than its factorization.

97316383581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604310512 (or 3604310506 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 97316383581 in words is "ninety-seven billion, three hundred sixteen million, three hundred eighty-three thousand, five hundred eighty-one".