1512061616 has 20 divisors (see below), whose sum is σ = 3154975152. Its totient is φ = 697874496.

The previous prime is 1512061597. The next prime is 1512061633. The reversal of 1512061616 is 6161602151.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3634556 + ... + 3634971.

Almost surely, 2^1512061616 is an apocalyptic number.

1512061616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1512061616 is an abundant number, since it is smaller than the sum of its proper divisors (1642913536).

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

1512061616 is a wasteful number, since it uses less digits than its factorization.

1512061616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7269548 (or 7269542 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1512061616 is about 38885.2364786432. The cubic root of 1512061616 is about 1147.7743003469.

Adding to 1512061616 its reverse (6161602151), we get a palindrome (7673663767).

The spelling of 1512061616 in words is "one billion, five hundred twelve million, sixty-one thousand, six hundred sixteen".