165012866997 has 8 divisors (see below), whose sum is σ = 240018715680. Its totient is φ = 100007798160.

The previous prime is 165012866981. The next prime is 165012867037. The reversal of 165012866997 is 799668210561.

165012866997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 165012866997 - 2⁴ = 165012866981 is a prime.

It is a super-2 number, since 2×165012866997² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 165012866997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165012866947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500194922 + ... + 2500194987.

It is an arithmetic number, because the mean of its divisors is an integer number (30002339460).

Almost surely, 2^165012866997 is an apocalyptic number.

It is an amenable number.

165012866997 is a deficient number, since it is larger than the sum of its proper divisors (75005848683).

165012866997 is a wasteful number, since it uses less digits than its factorization.

165012866997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000389923.

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 165012866997 in words is "one hundred sixty-five billion, twelve million, eight hundred sixty-six thousand, nine hundred ninety-seven".