161502083 has 4 divisors (see below), whose sum is σ = 161527608. Its totient is φ = 161476560.

The previous prime is 161502079. The next prime is 161502119. The reversal of 161502083 is 380205161.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 161502083 - 2² = 161502079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161502013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4628 + ... + 18558.

It is an arithmetic number, because the mean of its divisors is an integer number (40381902).

Almost surely, 2^161502083 is an apocalyptic number.

161502083 is a deficient number, since it is larger than the sum of its proper divisors (25525).

161502083 is a wasteful number, since it uses less digits than its factorization.

161502083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25524.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 161502083 is about 12708.3469814134. The cubic root of 161502083 is about 544.5771014415.

The spelling of 161502083 in words is "one hundred sixty-one million, five hundred two thousand, eighty-three".