165065192951 has 8 divisors (see below), whose sum is σ = 166284993360. Its totient is φ = 163845609408.

The previous prime is 165065192881. The next prime is 165065192953. The reversal of 165065192951 is 159291560561.

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 165065192951 - 2¹⁴ = 165065176567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165065192951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165065192953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676840 + ... + 1772546.

It is an arithmetic number, because the mean of its divisors is an integer number (20785624170).

Almost surely, 2^165065192951 is an apocalyptic number.

165065192951 is a deficient number, since it is larger than the sum of its proper divisors (1219800409).

165065192951 is a wasteful number, since it uses less digits than its factorization.

165065192951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108433.

The product of its (nonzero) digits is 729000, while the sum is 50.

The spelling of 165065192951 in words is "one hundred sixty-five billion, sixty-five million, one hundred ninety-two thousand, nine hundred fifty-one".