161061683 has 4 divisors (see below), whose sum is σ = 161435808. Its totient is φ = 160687560.

The previous prime is 161061673. The next prime is 161061697. The reversal of 161061683 is 386160161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 161061683 - 2⁶ = 161061619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161061623) 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, 186416 + ... + 187277.

It is an arithmetic number, because the mean of its divisors is an integer number (40358952).

Almost surely, 2^161061683 is an apocalyptic number.

161061683 is a deficient number, since it is larger than the sum of its proper divisors (374125).

161061683 is an equidigital number, since it uses as much as digits as its factorization.

161061683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374124.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 161061683 is about 12691.0079583932. The cubic root of 161061683 is about 544.0816484192.

The spelling of 161061683 in words is "one hundred sixty-one million, sixty-one thousand, six hundred eighty-three".