148661487488 has 64 divisors (see below), whose sum is σ = 300747816000. Its totient is φ = 73186713600.

The previous prime is 148661487479. The next prime is 148661487503. The reversal of 148661487488 is 884784166841.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695388 + ... + 2749988.

It is an arithmetic number, because the mean of its divisors is an integer number (4699184625).

Almost surely, 2^148661487488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148661487488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150373908000).

148661487488 is an abundant number, since it is smaller than the sum of its proper divisors (152086328512).

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

148661487488 is an equidigital number, since it uses as much as digits as its factorization.

148661487488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54943 (or 54931 counting only the distinct ones).

The product of its digits is 66060288, while the sum is 65.

The spelling of 148661487488 in words is "one hundred forty-eight billion, six hundred sixty-one million, four hundred eighty-seven thousand, four hundred eighty-eight".