516732645 has 128 divisors (see below), whose sum is σ = 1057996800. Its totient is φ = 211507200.

The previous prime is 516732637. The next prime is 516732653. The reversal of 516732645 is 546237615.

It is an interprime number because it is at equal distance from previous prime (516732637) and next prime (516732653).

It is not a de Polignac number, because 516732645 - 2³ = 516732637 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1263201 + ... + 1263609.

It is an arithmetic number, because the mean of its divisors is an integer number (8265600).

Almost surely, 2^516732645 is an apocalyptic number.

516732645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

516732645 is an abundant number, since it is smaller than the sum of its proper divisors (541264155).

516732645 is a wasteful number, since it uses less digits than its factorization.

516732645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its digits is 151200, while the sum is 39.

The square root of 516732645 is about 22731.7541118146. The cubic root of 516732645 is about 802.4573632495.

The spelling of 516732645 in words is "five hundred sixteen million, seven hundred thirty-two thousand, six hundred forty-five".