162686664 has 192 divisors, whose sum is σ = 554040000. Its totient is φ = 43981056.

The previous prime is 162686663. The next prime is 162686681. The reversal of 162686664 is 466686261.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (162686663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200692 + ... + 201500.

It is an arithmetic number, because the mean of its divisors is an integer number (2885625).

Almost surely, 2^162686664 is an apocalyptic number.

162686664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162686664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277020000).

162686664 is an abundant number, since it is smaller than the sum of its proper divisors (391353336).

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

162686664 is a wasteful number, since it uses less digits than its factorization.

162686664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 840 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 162686664 is about 12754.8682470655. The cubic root of 162686664 is about 545.9053090228.

The spelling of 162686664 in words is "one hundred sixty-two million, six hundred eighty-six thousand, six hundred sixty-four".