165276463 has 4 divisors (see below), whose sum is σ = 180301608. Its totient is φ = 150251320.

The previous prime is 165276409. The next prime is 165276467. The reversal of 165276463 is 364672561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165276463 - 2⁹ = 165275951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165276467) 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, 7512556 + ... + 7512577.

It is an arithmetic number, because the mean of its divisors is an integer number (45075402).

Almost surely, 2^165276463 is an apocalyptic number.

165276463 is a deficient number, since it is larger than the sum of its proper divisors (15025145).

165276463 is a wasteful number, since it uses less digits than its factorization.

165276463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15025144.

The product of its digits is 181440, while the sum is 40.

The square root of 165276463 is about 12855.9893823852. The cubic root of 165276463 is about 548.7868168524.

The spelling of 165276463 in words is "one hundred sixty-five million, two hundred seventy-six thousand, four hundred sixty-three".