516171442 has 32 divisors (see below), whose sum is σ = 865874880. Its totient is φ = 229340160.

The previous prime is 516171433. The next prime is 516171463. The reversal of 516171442 is 244171615.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216517 + ... + 218887.

It is an arithmetic number, because the mean of its divisors is an integer number (27058590).

Almost surely, 2^516171442 is an apocalyptic number.

516171442 is a deficient number, since it is larger than the sum of its proper divisors (349703438).

516171442 is a wasteful number, since it uses less digits than its factorization.

516171442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746.

The product of its digits is 6720, while the sum is 31.

The square root of 516171442 is about 22719.4067264090. The cubic root of 516171442 is about 802.1667522245.

The spelling of 516171442 in words is "five hundred sixteen million, one hundred seventy-one thousand, four hundred forty-two".