161464000 has 56 divisors (see below), whose sum is σ = 399885408. Its totient is φ = 64582400.

The previous prime is 161463983. The next prime is 161464001. The reversal of 161464000 is 464161.

It is not an unprimeable number, because it can be changed into a prime (161464001) 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, 2092 + ... + 18091.

Almost surely, 2^161464000 is an apocalyptic number.

161464000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161464000 is an abundant number, since it is smaller than the sum of its proper divisors (238421408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161464000 is an equidigital number, since it uses as much as digits as its factorization.

161464000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20210 (or 20190 counting only the distinct ones).

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

The square root of 161464000 is about 12706.8485471418. The cubic root of 161464000 is about 544.5342934073.

The spelling of 161464000 in words is "one hundred sixty-one million, four hundred sixty-four thousand".