65132169 has 4 divisors (see below), whose sum is σ = 86842896. Its totient is φ = 43421444.

The previous prime is 65132131. The next prime is 65132233. The reversal of 65132169 is 96123156.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65132169 - 2¹² = 65128073 is a prime.

It is a super-2 number, since 2×65132169² = 8484398877289122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65132269) 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, 10855359 + ... + 10855364.

It is an arithmetic number, because the mean of its divisors is an integer number (21710724).

Almost surely, 2^65132169 is an apocalyptic number.

It is an amenable number.

65132169 is a deficient number, since it is larger than the sum of its proper divisors (21710727).

65132169 is a wasteful number, since it uses less digits than its factorization.

65132169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21710726.

The product of its digits is 9720, while the sum is 33.

The square root of 65132169 is about 8070.4503591807. The cubic root of 65132169 is about 402.3449120237.

The spelling of 65132169 in words is "sixty-five million, one hundred thirty-two thousand, one hundred sixty-nine".