16161029 has 4 divisors (see below), whose sum is σ = 16188876. Its totient is φ = 16133184.

The previous prime is 16161023. The next prime is 16161031. The reversal of 16161029 is 92016161.

16161029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9138529 + 7022500 = 3023^2 + 2650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16161029 is a prime.

It is a super-2 number, since 2×16161029² = 522357716677682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16160989 and 16161007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16161023) 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, 13034 + ... + 14219.

It is an arithmetic number, because the mean of its divisors is an integer number (4047219).

Almost surely, 2^16161029 is an apocalyptic number.

It is an amenable number.

16161029 is a deficient number, since it is larger than the sum of its proper divisors (27847).

16161029 is an equidigital number, since it uses as much as digits as its factorization.

16161029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27846.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 16161029 is about 4020.0782330696. The cubic root of 16161029 is about 252.8267390550.

The spelling of 16161029 in words is "sixteen million, one hundred sixty-one thousand, twenty-nine".