161464 has 8 divisors (see below), whose sum is σ = 302760. Its totient is φ = 80728.

The previous prime is 161461. The next prime is 161471. The reversal of 161464 is 464161.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10084 + ... + 10099.

It is an arithmetic number, because the mean of its divisors is an integer number (37845).

2¹⁶¹⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

161464 is a deficient number, since it is larger than the sum of its proper divisors (141296).

161464 is a wasteful number, since it uses less digits than its factorization.

161464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20189 (or 20185 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 161464 is about 401.8258329177. The cubic root of 161464 is about 54.4534293407.

It can be divided in two parts, 161 and 464, that added together give a 4-th power (625 = 5⁴).

The spelling of 161464 in words is "one hundred sixty-one thousand, four hundred sixty-four".