161037268 has 24 divisors (see below), whose sum is σ = 323108352. Its totient is φ = 68794464.

The previous prime is 161037241. The next prime is 161037269. The reversal of 161037268 is 862730161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161037269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196 + ... + 17947.

It is an arithmetic number, because the mean of its divisors is an integer number (13462848).

Almost surely, 2^161037268 is an apocalyptic number.

It is an amenable number.

161037268 is an abundant number, since it is smaller than the sum of its proper divisors (162071084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161037268 is a wasteful number, since it uses less digits than its factorization.

161037268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18471 (or 18469 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 161037268 is about 12690.0460204051. The cubic root of 161037268 is about 544.0541549677.

The spelling of 161037268 in words is "one hundred sixty-one million, thirty-seven thousand, two hundred sixty-eight".