516158397 has 12 divisors (see below), whose sum is σ = 746060640. Its totient is φ = 343875528.

The previous prime is 516158333. The next prime is 516158411. The reversal of 516158397 is 793851615.

It is a happy number.

516158397 is a `hidden beast` number, since 5 + 1 + 61 + 583 + 9 + 7 = 666.

It is not a de Polignac number, because 516158397 - 2⁶ = 516158333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516158297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4363 + ... + 32424.

It is an arithmetic number, because the mean of its divisors is an integer number (62171720).

Almost surely, 2^516158397 is an apocalyptic number.

It is an amenable number.

516158397 is a deficient number, since it is larger than the sum of its proper divisors (229902243).

516158397 is a wasteful number, since it uses less digits than its factorization.

516158397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38352 (or 38349 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 516158397 is about 22719.1196352323. The cubic root of 516158397 is about 802.1599945515.

The spelling of 516158397 in words is "five hundred sixteen million, one hundred fifty-eight thousand, three hundred ninety-seven".