165541467 has 16 divisors (see below), whose sum is σ = 271658240. Its totient is φ = 87318432.

The previous prime is 165541463. The next prime is 165541487. The reversal of 165541467 is 764145561.

It is not a de Polignac number, because 165541467 - 2² = 165541463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (165541463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302917 + ... + 303462.

It is an arithmetic number, because the mean of its divisors is an integer number (16978640).

Almost surely, 2^165541467 is an apocalyptic number.

165541467 is a deficient number, since it is larger than the sum of its proper divisors (106116773).

165541467 is a wasteful number, since it uses less digits than its factorization.

165541467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606402.

The product of its digits is 100800, while the sum is 39.

The square root of 165541467 is about 12866.2918900513. The cubic root of 165541467 is about 549.0799681787.

The spelling of 165541467 in words is "one hundred sixty-five million, five hundred forty-one thousand, four hundred sixty-seven".