16070429 has 4 divisors (see below), whose sum is σ = 16081884. Its totient is φ = 16058976.

The previous prime is 16070407. The next prime is 16070443. The reversal of 16070429 is 92407061.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92407061 = 139 ⋅664799.

It can be written as a sum of positive squares in 2 ways, for example, as 8791225 + 7279204 = 2965^2 + 2698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16070429 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 (16070449) 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, 3272 + ... + 6545.

It is an arithmetic number, because the mean of its divisors is an integer number (4020471).

It is a Poulet number, since it divides 2^16070428-1.

Almost surely, 2^16070429 is an apocalyptic number.

It is an amenable number.

16070429 is a deficient number, since it is larger than the sum of its proper divisors (11455).

16070429 is an equidigital number, since it uses as much as digits as its factorization.

16070429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11454.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 16070429 is about 4008.7939582872. The cubic root of 16070429 is about 252.3533978908.

The spelling of 16070429 in words is "sixteen million, seventy thousand, four hundred twenty-nine".