161739376 has 10 divisors (see below), whose sum is σ = 313370072. Its totient is φ = 80869680.

The previous prime is 161739371. The next prime is 161739397. The reversal of 161739376 is 673937161.

161739376 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 (161739371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5054340 + ... + 5054371.

Almost surely, 2^161739376 is an apocalyptic number.

161739376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161739376 is a deficient number, since it is larger than the sum of its proper divisors (151630696).

161739376 is a wasteful number, since it uses less digits than its factorization.

161739376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10108719 (or 10108713 counting only the distinct ones).

The product of its digits is 142884, while the sum is 43.

The square root of 161739376 is about 12717.6796625800. The cubic root of 161739376 is about 544.8436843737.

The spelling of 161739376 in words is "one hundred sixty-one million, seven hundred thirty-nine thousand, three hundred seventy-six".