1516787532 has 288 divisors, whose sum is σ = 4746373632. Its totient is φ = 418784256.

The previous prime is 1516787527. The next prime is 1516787533. The reversal of 1516787532 is 2357876151.

It is a happy number.

1516787532 is a `hidden beast` number, since 1 + 51 + 67 + 8 + 7 + 532 = 666.

It is not an unprimeable number, because it can be changed into a prime (1516787533) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4940523 + ... + 4940829.

It is an arithmetic number, because the mean of its divisors is an integer number (16480464).

Almost surely, 2^1516787532 is an apocalyptic number.

1516787532 is a gapful number since it is divisible by the number (12) 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 1516787532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2373186816).

1516787532 is an abundant number, since it is smaller than the sum of its proper divisors (3229586100).

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

1516787532 is a wasteful number, since it uses less digits than its factorization.

1516787532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 365 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 1516787532 is about 38945.9565552061. The cubic root of 1516787532 is about 1148.9688379908.

The spelling of 1516787532 in words is "one billion, five hundred sixteen million, seven hundred eighty-seven thousand, five hundred thirty-two".