161464446 has 96 divisors (see below), whose sum is σ = 414741600. Its totient is φ = 44755200.

The previous prime is 161464409. The next prime is 161464463. The reversal of 161464446 is 644464161.

161464446 is a `hidden beast` number, since 1 + 6 + 1 + 4 + 644 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 161464446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 383316 + ... + 383736.

It is an arithmetic number, because the mean of its divisors is an integer number (4320225).

Almost surely, 2^161464446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161464446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207370800).

161464446 is an abundant number, since it is smaller than the sum of its proper divisors (253277154).

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

161464446 is a wasteful number, since it uses less digits than its factorization.

161464446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 599 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 161464446 is about 12706.8660967211. The cubic root of 161464446 is about 544.5347947824.

The spelling of 161464446 in words is "one hundred sixty-one million, four hundred sixty-four thousand, four hundred forty-six".