516209148 has 432 divisors, whose sum is σ = 1841688576. Its totient is φ = 118609920.

The previous prime is 516209137. The next prime is 516209173. The reversal of 516209148 is 841902615.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 16651893 + ... + 16651923.

It is an arithmetic number, because the mean of its divisors is an integer number (4263168).

Almost surely, 2^516209148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516209148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (920844288).

516209148 is an abundant number, since it is smaller than the sum of its proper divisors (1325479428).

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

516209148 is a wasteful number, since it uses less digits than its factorization.

516209148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 516209148 is about 22720.2365304589. The cubic root of 516209148 is about 802.1862843416.

The spelling of 516209148 in words is "five hundred sixteen million, two hundred nine thousand, one hundred forty-eight".