16161464 has 32 divisors (see below), whose sum is σ = 33834240. Its totient is φ = 7173600.

The previous prime is 16161463. The next prime is 16161493. The reversal of 16161464 is 46416161.

It is a super-2 number, since 2×16161464² = 522385837246592, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16161463) 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, 1649 + ... + 5919.

It is an arithmetic number, because the mean of its divisors is an integer number (1057320).

Almost surely, 2^16161464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16161464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16917120).

16161464 is an abundant number, since it is smaller than the sum of its proper divisors (17672776).

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

16161464 is a wasteful number, since it uses less digits than its factorization.

16161464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331 (or 4327 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 16161464 is about 4020.1323361302. The cubic root of 16161464 is about 252.8290074469.

The spelling of 16161464 in words is "sixteen million, one hundred sixty-one thousand, four hundred sixty-four".