161250938 has 8 divisors (see below), whose sum is σ = 245841780. Its totient is φ = 79303680.

The previous prime is 161250917. The next prime is 161250949. The reversal of 161250938 is 839052161.

161250938 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 2 ways, for example, as 118309129 + 42941809 = 10877^2 + 6553^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 161250898 and 161250907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660743 + ... + 660986.

Almost surely, 2^161250938 is an apocalyptic number.

161250938 is a deficient number, since it is larger than the sum of its proper divisors (84590842).

161250938 is a wasteful number, since it uses less digits than its factorization.

161250938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321792.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 161250938 is about 12698.4620328605. The cubic root of 161250938 is about 544.2946721196.

The spelling of 161250938 in words is "one hundred sixty-one million, two hundred fifty thousand, nine hundred thirty-eight".