69161668 has 12 divisors (see below), whose sum is σ = 122738112. Its totient is φ = 34093640.

The previous prime is 69161663. The next prime is 69161671. The reversal of 69161668 is 86616196.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (69161663) 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, 121480 + ... + 122047.

It is an arithmetic number, because the mean of its divisors is an integer number (10228176).

Almost surely, 2^69161668 is an apocalyptic number.

It is an amenable number.

69161668 is a deficient number, since it is larger than the sum of its proper divisors (53576444).

69161668 is a wasteful number, since it uses less digits than its factorization.

69161668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243602 (or 243600 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 69161668 is about 8316.3494395077. The cubic root of 69161668 is about 410.4766773933.

The spelling of 69161668 in words is "sixty-nine million, one hundred sixty-one thousand, six hundred sixty-eight".