165613794 has 8 divisors (see below), whose sum is σ = 331227600. Its totient is φ = 55204596.

The previous prime is 165613793. The next prime is 165613871. The reversal of 165613794 is 497316561.

165613794 is digitally balanced in base 2 and base 3, because in such bases 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.

165613794 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (165613793) 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, 13801144 + ... + 13801155.

It is an arithmetic number, because the mean of its divisors is an integer number (41403450).

Almost surely, 2^165613794 is an apocalyptic number.

165613794 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165613794 is a wasteful number, since it uses less digits than its factorization.

165613794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27602304.

The product of its digits is 136080, while the sum is 42.

The square root of 165613794 is about 12869.1022996944. The cubic root of 165613794 is about 549.1599230187.

The spelling of 165613794 in words is "one hundred sixty-five million, six hundred thirteen thousand, seven hundred ninety-four".