69932161 has 4 divisors (see below), whose sum is σ = 75311572. Its totient is φ = 64552752.

The previous prime is 69932129. The next prime is 69932171. The reversal of 69932161 is 16123996.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37442161 + 32490000 = 6119^2 + 5700^2 .

It is a cyclic number.

It is not a de Polignac number, because 69932161 - 2⁵ = 69932129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69932161.

It is not an unprimeable number, because it can be changed into a prime (69932171) 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, 2689686 + ... + 2689711.

It is an arithmetic number, because the mean of its divisors is an integer number (18827893).

Almost surely, 2^69932161 is an apocalyptic number.

It is an amenable number.

69932161 is a deficient number, since it is larger than the sum of its proper divisors (5379411).

69932161 is a wasteful number, since it uses less digits than its factorization.

69932161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5379410.

The product of its digits is 17496, while the sum is 37.

The square root of 69932161 is about 8362.5451269335. The cubic root of 69932161 is about 411.9953517715.

The spelling of 69932161 in words is "sixty-nine million, nine hundred thirty-two thousand, one hundred sixty-one".