165197937413965 has 8 divisors (see below), whose sum is σ = 198238689646560. Its totient is φ = 132157573431312.

The previous prime is 165197937413963. The next prime is 165197937413969. The reversal of 165197937413965 is 569314739791561.

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 165197937413965 - 2¹ = 165197937413963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165197937413891 and 165197937413900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165197937413963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96125575 + ... + 97829044.

It is an arithmetic number, because the mean of its divisors is an integer number (24779836205820).

Almost surely, 2^{165197937413965} is an apocalyptic number.

It is an amenable number.

165197937413965 is a deficient number, since it is larger than the sum of its proper divisors (33040752232595).

165197937413965 is a wasteful number, since it uses less digits than its factorization.

165197937413965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194124971.

The product of its digits is 1157360400, while the sum is 76.

The spelling of 165197937413965 in words is "one hundred sixty-five trillion, one hundred ninety-seven billion, nine hundred thirty-seven million, four hundred thirteen thousand, nine hundred sixty-five".