1516771552 has 48 divisors (see below), whose sum is σ = 3166227792. Its totient is φ = 712775680.

The previous prime is 1516771549. The next prime is 1516771559. The reversal of 1516771552 is 2551776151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516771559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510423 + ... + 513385.

It is an arithmetic number, because the mean of its divisors is an integer number (65963079).

Almost surely, 2^1516771552 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 1516771552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583113896).

1516771552 is an abundant number, since it is smaller than the sum of its proper divisors (1649456240).

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

1516771552 is a wasteful number, since it uses less digits than its factorization.

1516771552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931 (or 3923 counting only the distinct ones).

The product of its digits is 73500, while the sum is 40.

The square root of 1516771552 is about 38945.7513985801. The cubic root of 1516771552 is about 1148.9648030186.

The spelling of 1516771552 in words is "one billion, five hundred sixteen million, seven hundred seventy-one thousand, five hundred fifty-two".