148189769568 has 120 divisors (see below), whose sum is σ = 437375113560. Its totient is φ = 49220559360.

The previous prime is 148189769527. The next prime is 148189769569. The reversal of 148189769568 is 865967981841.

148189769568 is a `hidden beast` number, since 1 + 48 + 18 + 9 + 7 + 6 + 9 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 148189769496 and 148189769505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148189769569) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 626623 + ... + 830081.

It is an arithmetic number, because the mean of its divisors is an integer number (3644792613).

Almost surely, 2^148189769568 is an apocalyptic number.

148189769568 is a gapful number since it is divisible by the number (18) 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 148189769568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218687556780).

148189769568 is an abundant number, since it is smaller than the sum of its proper divisors (289185343992).

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

148189769568 is a wasteful number, since it uses less digits than its factorization.

148189769568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203762 (or 203745 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 72.

The spelling of 148189769568 in words is "one hundred forty-eight billion, one hundred eighty-nine million, seven hundred sixty-nine thousand, five hundred sixty-eight".