69161407 has 4 divisors (see below), whose sum is σ = 79041616. Its totient is φ = 59281200.

The previous prime is 69161401. The next prime is 69161413. The reversal of 69161407 is 70416196.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (69161401) and next prime (69161413).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69161407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69161401) 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, 4940094 + ... + 4940107.

It is an arithmetic number, because the mean of its divisors is an integer number (19760404).

Almost surely, 2^69161407 is an apocalyptic number.

69161407 is a deficient number, since it is larger than the sum of its proper divisors (9880209).

69161407 is an equidigital number, since it uses as much as digits as its factorization.

69161407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9880208.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 69161407 is about 8316.3337475116. Note that the first 3 decimals coincide. The cubic root of 69161407 is about 410.4761610449.

The spelling of 69161407 in words is "sixty-nine million, one hundred sixty-one thousand, four hundred seven".