516121608 has 32 divisors (see below), whose sum is σ = 1293696000. Its totient is φ = 171588288.

The previous prime is 516121601. The next prime is 516121631. The reversal of 516121608 is 806121615.

It is not an unprimeable number, because it can be changed into a prime (516121601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18883 + ... + 37266.

It is an arithmetic number, because the mean of its divisors is an integer number (40428000).

Almost surely, 2^516121608 is an apocalyptic number.

It is an amenable number.

516121608 is an abundant number, since it is smaller than the sum of its proper divisors (777574392).

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

516121608 is a wasteful number, since it uses less digits than its factorization.

516121608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56541 (or 56537 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 516121608 is about 22718.3099723549. The cubic root of 516121608 is about 802.1409362125.

The spelling of 516121608 in words is "five hundred sixteen million, one hundred twenty-one thousand, six hundred eight".