161734064 has 10 divisors (see below), whose sum is σ = 313359780. Its totient is φ = 80867024.

The previous prime is 161734063. The next prime is 161734087. The reversal of 161734064 is 460437161.

It is a self number, because there is not a number n which added to its sum of digits gives 161734064.

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 as a sum of consecutive naturals, namely, 5054174 + ... + 5054205.

It is an arithmetic number, because the mean of its divisors is an integer number (31335978).

Almost surely, 2^161734064 is an apocalyptic number.

It is an amenable number.

161734064 is a deficient number, since it is larger than the sum of its proper divisors (151625716).

161734064 is a wasteful number, since it uses less digits than its factorization.

161734064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10108387 (or 10108381 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 161734064 is about 12717.4708177373. The cubic root of 161734064 is about 544.8377195485.

The spelling of 161734064 in words is "one hundred sixty-one million, seven hundred thirty-four thousand, sixty-four".