516911390 has 16 divisors (see below), whose sum is σ = 946211760. Its totient is φ = 203259840.

The previous prime is 516911383. The next prime is 516911411. The reversal of 516911390 is 93119615.

It is a super-2 number, since 2×516911390² = 534394770223464200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 516911390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437471 + ... + 438650.

It is an arithmetic number, because the mean of its divisors is an integer number (59138235).

Almost surely, 2^516911390 is an apocalyptic number.

516911390 is a deficient number, since it is larger than the sum of its proper divisors (429300370).

516911390 is a wasteful number, since it uses less digits than its factorization.

516911390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876187.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 516911390 is about 22735.6853866339. The cubic root of 516911390 is about 802.5498796324.

The spelling of 516911390 in words is "five hundred sixteen million, nine hundred eleven thousand, three hundred ninety".