161468408 has 16 divisors (see below), whose sum is σ = 306901680. Its totient is φ = 79627968.

The previous prime is 161468399. The next prime is 161468423. The reversal of 161468408 is 804864161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137660 + ... + 138827.

It is an arithmetic number, because the mean of its divisors is an integer number (19181355).

Almost surely, 2^161468408 is an apocalyptic number.

It is an amenable number.

161468408 is a deficient number, since it is larger than the sum of its proper divisors (145433272).

161468408 is a wasteful number, since it uses less digits than its factorization.

161468408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276566 (or 276562 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 161468408 is about 12707.0219957313. The cubic root of 161468408 is about 544.5392486611.

The spelling of 161468408 in words is "one hundred sixty-one million, four hundred sixty-eight thousand, four hundred eight".