162811664 has 40 divisors (see below), whose sum is σ = 330782400. Its totient is φ = 77483648.

The previous prime is 162811661. The next prime is 162811667. The reversal of 162811664 is 466118261.

It is an interprime number because it is at equal distance from previous prime (162811661) and next prime (162811667).

It is not an unprimeable number, because it can be changed into a prime (162811661) 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, 82562 + ... + 84510.

It is an arithmetic number, because the mean of its divisors is an integer number (8269560).

Almost surely, 2^162811664 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 162811664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165391200).

162811664 is an abundant number, since it is smaller than the sum of its proper divisors (167970736).

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

162811664 is a wasteful number, since it uses less digits than its factorization.

162811664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207 (or 2201 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 162811664 is about 12759.7673959990. The cubic root of 162811664 is about 546.0450883436.

The spelling of 162811664 in words is "one hundred sixty-two million, eight hundred eleven thousand, six hundred sixty-four".