161486149 has 8 divisors (see below), whose sum is σ = 185438880. Its totient is φ = 139078800.

The previous prime is 161486141. The next prime is 161486233. The reversal of 161486149 is 941684161.

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

It is a cyclic number.

It is not a de Polignac number, because 161486149 - 2³ = 161486141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161486141) 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, 386122 + ... + 386539.

It is an arithmetic number, because the mean of its divisors is an integer number (23179860).

Almost surely, 2^161486149 is an apocalyptic number.

161486149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

161486149 is a deficient number, since it is larger than the sum of its proper divisors (23952731).

161486149 is a wasteful number, since it uses less digits than its factorization.

161486149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772691.

The product of its digits is 41472, while the sum is 40.

The square root of 161486149 is about 12707.7200551476. The cubic root of 161486149 is about 544.5591912971.

The spelling of 161486149 in words is "one hundred sixty-one million, four hundred eighty-six thousand, one hundred forty-nine".