161336408 has 16 divisors (see below), whose sum is σ = 302842680. Its totient is φ = 80578368.

The previous prime is 161336401. The next prime is 161336411. The reversal of 161336408 is 804633161.

161336408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161336401) 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, 3266 + ... + 18257.

Almost surely, 2^161336408 is an apocalyptic number.

It is an amenable number.

161336408 is a deficient number, since it is larger than the sum of its proper divisors (141506272).

161336408 is a wasteful number, since it uses less digits than its factorization.

161336408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22466 (or 22462 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 161336408 is about 12701.8269552061. The cubic root of 161336408 is about 544.3908217384.

Adding to 161336408 its reverse (804633161), we get a palindrome (965969569).

The spelling of 161336408 in words is "one hundred sixty-one million, three hundred thirty-six thousand, four hundred eight".