516015378 has 24 divisors (see below), whose sum is σ = 1118499408. Its totient is φ = 171933432.

The previous prime is 516015361. The next prime is 516015389. The reversal of 516015378 is 873510615.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55501 + ... + 64127.

It is an arithmetic number, because the mean of its divisors is an integer number (46604142).

Almost surely, 2^516015378 is an apocalyptic number.

516015378 is an abundant number, since it is smaller than the sum of its proper divisors (602484030).

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

516015378 is a wasteful number, since it uses less digits than its factorization.

516015378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11958 (or 11955 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 516015378 is about 22715.9718700301. The cubic root of 516015378 is about 802.0858992617.

The spelling of 516015378 in words is "five hundred sixteen million, fifteen thousand, three hundred seventy-eight".