699379161 has 16 divisors (see below), whose sum is σ = 1009505280. Its totient is φ = 428129280.

The previous prime is 699379159. The next prime is 699379171. The reversal of 699379161 is 161973996.

It is not a de Polignac number, because 699379161 - 2¹ = 699379159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (699379111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39496 + ... + 54393.

It is an arithmetic number, because the mean of its divisors is an integer number (63094080).

Almost surely, 2^699379161 is an apocalyptic number.

It is an amenable number.

699379161 is a deficient number, since it is larger than the sum of its proper divisors (310126119).

699379161 is a wasteful number, since it uses less digits than its factorization.

699379161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94096.

The product of its digits is 551124, while the sum is 51.

The square root of 699379161 is about 26445.7777537360. Note that the first 4 decimals coincide. The cubic root of 699379161 is about 887.6414262751.

The spelling of 699379161 in words is "six hundred ninety-nine million, three hundred seventy-nine thousand, one hundred sixty-one".