161734066 has 16 divisors (see below), whose sum is σ = 262584000. Its totient is φ = 74269008.

The previous prime is 161734063. The next prime is 161734087. The reversal of 161734066 is 660437161.

It is not an unprimeable number, because it can be changed into a prime (161734063) 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, 10456 + ... + 20803.

It is an arithmetic number, because the mean of its divisors is an integer number (16411500).

Almost surely, 2^161734066 is an apocalyptic number.

161734066 is a deficient number, since it is larger than the sum of its proper divisors (100849934).

161734066 is a wasteful number, since it uses less digits than its factorization.

161734066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31473.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 161734066 is about 12717.4708963693. The cubic root of 161734066 is about 544.8377217943.

The spelling of 161734066 in words is "one hundred sixty-one million, seven hundred thirty-four thousand, sixty-six".