516346545 has 48 divisors (see below), whose sum is σ = 975972672. Its totient is φ = 231079680.

The previous prime is 516346529. The next prime is 516346553. The reversal of 516346545 is 545643615.

It is not a de Polignac number, because 516346545 - 2⁴ = 516346529 is a prime.

It is a super-2 number, since 2×516346545² = 533227509066874050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18627 + ... + 37143.

It is an arithmetic number, because the mean of its divisors is an integer number (20332764).

Almost surely, 2^516346545 is an apocalyptic number.

516346545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

516346545 is a deficient number, since it is larger than the sum of its proper divisors (459626127).

516346545 is a wasteful number, since it uses less digits than its factorization.

516346545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18562 (or 18549 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The square root of 516346545 is about 22723.2599993927. The cubic root of 516346545 is about 802.2574494317.

The spelling of 516346545 in words is "five hundred sixteen million, three hundred forty-six thousand, five hundred forty-five".