69994161 has 12 divisors (see below), whose sum is σ = 101333700. Its totient is φ = 46556160.

The previous prime is 69994159. The next prime is 69994181. The reversal of 69994161 is 16149996.

It can be written as a sum of positive squares in 2 ways, for example, as 30869136 + 39125025 = 5556^2 + 6255^2 .

It is not a de Polignac number, because 69994161 - 2¹ = 69994159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69994181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4620 + ... + 12701.

It is an arithmetic number, because the mean of its divisors is an integer number (8444475).

Almost surely, 2^69994161 is an apocalyptic number.

It is an amenable number.

69994161 is a deficient number, since it is larger than the sum of its proper divisors (31339539).

69994161 is a wasteful number, since it uses less digits than its factorization.

69994161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17776 (or 17773 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 69994161 is about 8366.2513110712. The cubic root of 69994161 is about 412.1170705266.

The spelling of 69994161 in words is "sixty-nine million, nine hundred ninety-four thousand, one hundred sixty-one".