1516052646 has 32 divisors (see below), whose sum is σ = 3377848320. Its totient is φ = 504024552.

The previous prime is 1516052641. The next prime is 1516052663. The reversal of 1516052646 is 6462506151.

1516052646 is a `hidden beast` number, since 1 + 5 + 1 + 6 + 0 + 5 + 2 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1516052646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516052641) 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, 15970 + ... + 57333.

It is an arithmetic number, because the mean of its divisors is an integer number (105557760).

Almost surely, 2^1516052646 is an apocalyptic number.

1516052646 is an abundant number, since it is smaller than the sum of its proper divisors (1861795674).

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

1516052646 is a wasteful number, since it uses less digits than its factorization.

1516052646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73697 (or 73691 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1516052646 is about 38936.5207228381. The cubic root of 1516052646 is about 1148.7832489312.

Adding to 1516052646 its reverse (6462506151), we get a palindrome (7978558797).

The spelling of 1516052646 in words is "one billion, five hundred sixteen million, fifty-two thousand, six hundred forty-six".