1487161968 has 80 divisors (see below), whose sum is σ = 4094309376. Its totient is φ = 464062720.

The previous prime is 1487161961. The next prime is 1487161969. The reversal of 1487161968 is 8691617841.

It is a self number, because there is not a number n which added to its sum of digits gives 1487161968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487161961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37558 + ... + 66218.

Almost surely, 2^1487161968 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 1487161968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047154688).

1487161968 is an abundant number, since it is smaller than the sum of its proper divisors (2607147408).

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

1487161968 is a wasteful number, since it uses less digits than its factorization.

1487161968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28742 (or 28736 counting only the distinct ones).

The product of its digits is 580608, while the sum is 51.

The square root of 1487161968 is about 38563.7390303378. The cubic root of 1487161968 is about 1141.4391304682.

The spelling of 1487161968 in words is "one billion, four hundred eighty-seven million, one hundred sixty-one thousand, nine hundred sixty-eight".