516915106 has 4 divisors (see below), whose sum is σ = 775372662. Its totient is φ = 258457552.

The previous prime is 516915101. The next prime is 516915131. The reversal of 516915106 is 601519615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 446941881 + 69973225 = 21141^2 + 8365^2 .

It is not an unprimeable number, because it can be changed into a prime (516915101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129228775 + ... + 129228778.

Almost surely, 2^516915106 is an apocalyptic number.

516915106 is a deficient number, since it is larger than the sum of its proper divisors (258457556).

516915106 is a wasteful number, since it uses less digits than its factorization.

516915106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258457555.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 516915106 is about 22735.7671082372. The cubic root of 516915106 is about 802.5518027655.

The spelling of 516915106 in words is "five hundred sixteen million, nine hundred fifteen thousand, one hundred six".