69116861 has 4 divisors (see below), whose sum is σ = 75400224. Its totient is φ = 62833500.

The previous prime is 69116821. The next prime is 69116891. The reversal of 69116861 is 16861196.

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 69116861 - 2¹⁸ = 68854717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69116821) 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, 3141665 + ... + 3141686.

It is an arithmetic number, because the mean of its divisors is an integer number (18850056).

Almost surely, 2^69116861 is an apocalyptic number.

It is an amenable number.

69116861 is a deficient number, since it is larger than the sum of its proper divisors (6283363).

69116861 is a wasteful number, since it uses less digits than its factorization.

69116861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283362.

The product of its digits is 15552, while the sum is 38.

The square root of 69116861 is about 8313.6550926773. The cubic root of 69116861 is about 410.3880145916.

The spelling of 69116861 in words is "sixty-nine million, one hundred sixteen thousand, eight hundred sixty-one".