1516514212 has 6 divisors (see below), whose sum is σ = 2653899878. Its totient is φ = 758257104.

The previous prime is 1516514171. The next prime is 1516514213. The reversal of 1516514212 is 2124156151.

It can be written as a sum of positive squares in only one way, i.e., 1512120996 + 4393216 = 38886^2 + 2096^2 .

It is not an unprimeable number, because it can be changed into a prime (1516514213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189564273 + ... + 189564280.

Almost surely, 2^1516514212 is an apocalyptic number.

It is an amenable number.

1516514212 is a deficient number, since it is larger than the sum of its proper divisors (1137385666).

1516514212 is a wasteful number, since it uses less digits than its factorization.

1516514212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379128557 (or 379128555 counting only the distinct ones).

The product of its digits is 2400, while the sum is 28.

The square root of 1516514212 is about 38942.4474320760. The cubic root of 1516514212 is about 1148.8998204079.

The spelling of 1516514212 in words is "one billion, five hundred sixteen million, five hundred fourteen thousand, two hundred twelve".