97946652161 has 4 divisors (see below), whose sum is σ = 97973337024. Its totient is φ = 97919967300.

The previous prime is 97946652137. The next prime is 97946652163. The reversal of 97946652161 is 16125664979.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97946652161 - 2¹⁰ = 97946651137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97946652097 and 97946652106.

It is not an unprimeable number, because it can be changed into a prime (97946652163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13336925 + ... + 13344266.

It is an arithmetic number, because the mean of its divisors is an integer number (24493334256).

Almost surely, 2^97946652161 is an apocalyptic number.

It is an amenable number.

97946652161 is a deficient number, since it is larger than the sum of its proper divisors (26684863).

97946652161 is a wasteful number, since it uses less digits than its factorization.

97946652161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26684862.

The product of its digits is 4898880, while the sum is 56.

The spelling of 97946652161 in words is "ninety-seven billion, nine hundred forty-six million, six hundred fifty-two thousand, one hundred sixty-one".