1516842612 has 60 divisors (see below), whose sum is σ = 4198595940. Its totient is φ = 475870464.

The previous prime is 1516842611. The next prime is 1516842647. The reversal of 1516842612 is 2162486151.

It is a happy number.

1516842612 is a `hidden beast` number, since 1 + 516 + 84 + 2 + 61 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1267644816 + 249197796 = 35604^2 + 15786^2 .

It is a super-4 number, since 4×1516842612⁴ (a number of 38 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516842611) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 132187 + ... + 143202.

It is an arithmetic number, because the mean of its divisors is an integer number (69976599).

Almost surely, 2^1516842612 is an apocalyptic number.

1516842612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1516842612 is an abundant number, since it is smaller than the sum of its proper divisors (2681753328).

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

1516842612 is a wasteful number, since it uses less digits than its factorization.

1516842612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275422 (or 275411 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 1516842612 is about 38946.6636825287. The cubic root of 1516842612 is about 1148.9827455501.

The spelling of 1516842612 in words is "one billion, five hundred sixteen million, eight hundred forty-two thousand, six hundred twelve".