516149412 has 12 divisors (see below), whose sum is σ = 1204348656. Its totient is φ = 172049800.

The previous prime is 516149401. The next prime is 516149437. The reversal of 516149412 is 214941615.

It is a tau number, because it is divible by the number of its divisors (12).

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, 21506214 + ... + 21506237.

It is an arithmetic number, because the mean of its divisors is an integer number (100362388).

Almost surely, 2^516149412 is an apocalyptic number.

It is an amenable number.

516149412 is an abundant number, since it is smaller than the sum of its proper divisors (688199244).

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

516149412 is a wasteful number, since it uses less digits than its factorization.

516149412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43012458 (or 43012456 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 516149412 is about 22718.9218934350. The cubic root of 516149412 is about 802.1553400053.

The spelling of 516149412 in words is "five hundred sixteen million, one hundred forty-nine thousand, four hundred twelve".