162664111420 has 12 divisors (see below), whose sum is σ = 341594634024. Its totient is φ = 65065644560.

The previous prime is 162664111417. The next prime is 162664111429. The reversal of 162664111420 is 24111466261.

It is a super-2 number, since 2×162664111420² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162664111429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4066602766 + ... + 4066602805.

It is an arithmetic number, because the mean of its divisors is an integer number (28466219502).

Almost surely, 2^162664111420 is an apocalyptic number.

162664111420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162664111420 is an abundant number, since it is smaller than the sum of its proper divisors (178930522604).

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

162664111420 is a wasteful number, since it uses less digits than its factorization.

162664111420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8133205580 (or 8133205578 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

Adding to 162664111420 its reverse (24111466261), we get a palindrome (186775577681).

The spelling of 162664111420 in words is "one hundred sixty-two billion, six hundred sixty-four million, one hundred eleven thousand, four hundred twenty".