161496249 has 8 divisors (see below), whose sum is σ = 215387040. Its totient is φ = 107634816.

The previous prime is 161496239. The next prime is 161496259. The reversal of 161496249 is 942694161.

It is an interprime number because it is at equal distance from previous prime (161496239) and next prime (161496259).

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

It is not a de Polignac number, because 161496249 - 2⁴ = 161496233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161496249.

It is not an unprimeable number, because it can be changed into a prime (161496239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17929 + ... + 25385.

It is an arithmetic number, because the mean of its divisors is an integer number (26923380).

Almost surely, 2^161496249 is an apocalyptic number.

It is an amenable number.

161496249 is a deficient number, since it is larger than the sum of its proper divisors (53890791).

161496249 is an equidigital number, since it uses as much as digits as its factorization.

161496249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14679.

The product of its digits is 93312, while the sum is 42.

The square root of 161496249 is about 12708.1174451608. The cubic root of 161496249 is about 544.5705440420.

The spelling of 161496249 in words is "one hundred sixty-one million, four hundred ninety-six thousand, two hundred forty-nine".