69290161 has 4 divisors (see below), whose sum is σ = 69595632. Its totient is φ = 68984692.

The previous prime is 69290119. The next prime is 69290167. The reversal of 69290161 is 16109296.

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 69290161 - 2⁷ = 69290033 is a prime.

It is a super-2 number, since 2×69290161² = 9602252822811842, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69290167) 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, 152395 + ... + 152848.

It is an arithmetic number, because the mean of its divisors is an integer number (17398908).

Almost surely, 2^69290161 is an apocalyptic number.

It is an amenable number.

69290161 is a deficient number, since it is larger than the sum of its proper divisors (305471).

69290161 is a wasteful number, since it uses less digits than its factorization.

69290161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305470.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 69290161 is about 8324.0711794170. The cubic root of 69290161 is about 410.7307234642.

The spelling of 69290161 in words is "sixty-nine million, two hundred ninety thousand, one hundred sixty-one".