161875354 has 8 divisors (see below), whose sum is σ = 243134388. Its totient is φ = 80830560.

The previous prime is 161875331. The next prime is 161875381. The reversal of 161875354 is 453578161.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 161874729 + 625 = 12723^2 + 25^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51657 + ... + 54700.

Almost surely, 2^161875354 is an apocalyptic number.

161875354 is a deficient number, since it is larger than the sum of its proper divisors (81259034).

161875354 is a wasteful number, since it uses less digits than its factorization.

161875354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107120.

The product of its digits is 100800, while the sum is 40.

The square root of 161875354 is about 12723.0245617935. The cubic root of 161875354 is about 544.9963291283.

The spelling of 161875354 in words is "one hundred sixty-one million, eight hundred seventy-five thousand, three hundred fifty-four".