165047534 has 16 divisors (see below), whose sum is σ = 258097536. Its totient is φ = 79068000.

The previous prime is 165047527. The next prime is 165047539. The reversal of 165047534 is 435740561.

165047534 = 1228² + 1229² + ... + 1328².

It is a junction number, because it is equal to n+sod(n) for n = 165047494 and 165047503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165047539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6917 + ... + 19440.

It is an arithmetic number, because the mean of its divisors is an integer number (16131096).

Almost surely, 2^165047534 is an apocalyptic number.

165047534 is a deficient number, since it is larger than the sum of its proper divisors (93050002).

165047534 is a wasteful number, since it uses less digits than its factorization.

165047534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26491.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 165047534 is about 12847.0827038671. The cubic root of 165047534 is about 548.5333198418.

The spelling of 165047534 in words is "one hundred sixty-five million, forty-seven thousand, five hundred thirty-four".