165487494 has 8 divisors (see below), whose sum is σ = 330975000. Its totient is φ = 55162496.

The previous prime is 165487493. The next prime is 165487499. The reversal of 165487494 is 494784561.

165487494 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.

165487494 is an admirable number.

It is a super-2 number, since 2×165487494² = 54772221340800072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165487493) 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, 13790619 + ... + 13790630.

It is an arithmetic number, because the mean of its divisors is an integer number (41371875).

Almost surely, 2^165487494 is an apocalyptic number.

165487494 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.

165487494 is a wasteful number, since it uses less digits than its factorization.

165487494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27581254.

The product of its digits is 967680, while the sum is 48.

The square root of 165487494 is about 12864.1942615929. The cubic root of 165487494 is about 549.0202878359.

It can be divided in two parts, 16548 and 7494, that added together give a palindrome (24042).

The spelling of 165487494 in words is "one hundred sixty-five million, four hundred eighty-seven thousand, four hundred ninety-four".