162818706064 has 45 divisors (see below), whose sum is σ = 366990585411. Its totient is φ = 69774603360.

The previous prime is 162818706019. The next prime is 162818706079. The reversal of 162818706064 is 460607818261.

The square root of 162818706064 is 403508.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162818705999 and 162818706017.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11291019 + ... + 11305429.

Almost surely, 2^162818706064 is an apocalyptic number.

162818706064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

162818706064 is the 403508-th square number.

It is an amenable number.

162818706064 is an abundant number, since it is smaller than the sum of its proper divisors (204171879347).

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

162818706064 is an frugal number, since it uses more digits than its factorization.

162818706064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28844 (or 14420 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

Multiplying 162818706064 by its sum of digits (49), we get a square (7978116597136 = 2824556²).

162818706064 divided by its sum of digits (49) gives a square (3322830736 = 57644²).

The spelling of 162818706064 in words is "one hundred sixty-two billion, eight hundred eighteen million, seven hundred six thousand, sixty-four".