97518620161 has 8 divisors (see below), whose sum is σ = 101827212480. Its totient is φ = 93215748912.

The previous prime is 97518620153. The next prime is 97518620209. The reversal of 97518620161 is 16102681579.

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

It is a cyclic number.

It is not a de Polignac number, because 97518620161 - 2³ = 97518620153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97518620561) 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, 1395406 + ... + 1463623.

It is an arithmetic number, because the mean of its divisors is an integer number (12728401560).

Almost surely, 2^97518620161 is an apocalyptic number.

It is an amenable number.

97518620161 is a deficient number, since it is larger than the sum of its proper divisors (4308592319).

97518620161 is a wasteful number, since it uses less digits than its factorization.

97518620161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860535.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 97518620161 in words is "ninety-seven billion, five hundred eighteen million, six hundred twenty thousand, one hundred sixty-one".