161049929 has 8 divisors (see below), whose sum is σ = 166460928. Its totient is φ = 155652480.

The previous prime is 161049919. The next prime is 161049961. The reversal of 161049929 is 929940161.

161049929 = T₁₀₂ + T₁₀₃ + ... + T₉₈₈.

It is a happy number.

161049929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161049929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161049919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24569 + ... + 30425.

It is an arithmetic number, because the mean of its divisors is an integer number (20807616).

Almost surely, 2^161049929 is an apocalyptic number.

It is an amenable number.

161049929 is a deficient number, since it is larger than the sum of its proper divisors (5410999).

161049929 is an equidigital number, since it uses as much as digits as its factorization.

161049929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6775.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 161049929 is about 12690.5448661592. The cubic root of 161049929 is about 544.0684127215.

The spelling of 161049929 in words is "one hundred sixty-one million, forty-nine thousand, nine hundred twenty-nine".