162238749120 has 420 divisors, whose sum is σ = 671339358360. Its totient is φ = 37082852352.

The previous prime is 162238749107. The next prime is 162238749121. The reversal of 162238749120 is 21947832261.

162238749120 is a `hidden beast` number, since 1 + 62 + 2 + 3 + 87 + 491 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (420).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162238749121) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1206211 + ... + 1333949.

Almost surely, 2^162238749120 is an apocalyptic number.

162238749120 is a gapful number since it is divisible by the number (10) 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 162238749120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335669679180).

162238749120 is an abundant number, since it is smaller than the sum of its proper divisors (509100609240).

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

162238749120 is a wasteful number, since it uses less digits than its factorization.

162238749120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127782 (or 127756 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 162238749120 in words is "one hundred sixty-two billion, two hundred thirty-eight million, seven hundred forty-nine thousand, one hundred twenty".