162190464 has 64 divisors (see below), whose sum is σ = 434103840. Its totient is φ = 53651456.

The previous prime is 162190463. The next prime is 162190477. The reversal of 162190464 is 464091261.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×162190464² = 52611493225070592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (162190463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51067 + ... + 54149.

Almost surely, 2^162190464 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 162190464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217051920).

162190464 is an abundant number, since it is smaller than the sum of its proper divisors (271913376).

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

162190464 is a wasteful number, since it uses less digits than its factorization.

162190464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237 (or 3225 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 162190464 is about 12735.4019960110. The cubic root of 162190464 is about 545.3497337198.

The spelling of 162190464 in words is "one hundred sixty-two million, one hundred ninety thousand, four hundred sixty-four".