97165340520533 has 4 divisors (see below), whose sum is σ = 100299706343808. Its totient is φ = 94030974697260.

The previous prime is 97165340520517. The next prime is 97165340520551. The reversal of 97165340520533 is 33502504356179.

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 97165340520533 - 2⁴ = 97165340520517 is a prime.

It is a super-2 number, since 2×97165340520533² (a number of 29 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 (97165340520593) 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, 1567182911591 + ... + 1567182911652.

It is an arithmetic number, because the mean of its divisors is an integer number (25074926585952).

Almost surely, 2^{97165340520533} is an apocalyptic number.

It is an amenable number.

97165340520533 is a deficient number, since it is larger than the sum of its proper divisors (3134365823275).

97165340520533 is a wasteful number, since it uses less digits than its factorization.

97165340520533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134365823274.

The product of its (nonzero) digits is 10206000, while the sum is 53.

The spelling of 97165340520533 in words is "ninety-seven trillion, one hundred sixty-five billion, three hundred forty million, five hundred twenty thousand, five hundred thirty-three".