165158827 has 8 divisors (see below), whose sum is σ = 166676720. Its totient is φ = 163645920.

The previous prime is 165158821. The next prime is 165158831. The reversal of 165158827 is 728851561.

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 165158827 - 2¹⁹ = 164634539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165158821) 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, 101077 + ... + 102697.

It is an arithmetic number, because the mean of its divisors is an integer number (20834590).

Almost surely, 2^165158827 is an apocalyptic number.

165158827 is a deficient number, since it is larger than the sum of its proper divisors (1517893).

165158827 is a wasteful number, since it uses less digits than its factorization.

165158827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493.

The product of its digits is 134400, while the sum is 43.

The square root of 165158827 is about 12851.4134242114. The cubic root of 165158827 is about 548.6565857493.

The spelling of 165158827 in words is "one hundred sixty-five million, one hundred fifty-eight thousand, eight hundred twenty-seven".