516166388 has 48 divisors (see below), whose sum is σ = 966201600. Its totient is φ = 240589440.

The previous prime is 516166373. The next prime is 516166403. The reversal of 516166388 is 883661615.

It is an interprime number because it is at equal distance from previous prime (516166373) and next prime (516166403).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2159573 + ... + 2159811.

It is an arithmetic number, because the mean of its divisors is an integer number (20129200).

Almost surely, 2^516166388 is an apocalyptic number.

It is an amenable number.

516166388 is a deficient number, since it is larger than the sum of its proper divisors (450035212).

516166388 is a wasteful number, since it uses less digits than its factorization.

516166388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 598 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 516166388 is about 22719.2954996408. The cubic root of 516166388 is about 802.1641341254.

The spelling of 516166388 in words is "five hundred sixteen million, one hundred sixty-six thousand, three hundred eighty-eight".