516121386 has 24 divisors (see below), whose sum is σ = 1134615552. Its totient is φ = 156400200.

The previous prime is 516121373. The next prime is 516121393. The reversal of 516121386 is 683121615.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354730 + ... + 356181.

It is an arithmetic number, because the mean of its divisors is an integer number (47275648).

Almost surely, 2^516121386 is an apocalyptic number.

516121386 is an abundant number, since it is smaller than the sum of its proper divisors (618494166).

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

516121386 is a wasteful number, since it uses less digits than its factorization.

516121386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710938 (or 710927 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 516121386 is about 22718.3050864276. The cubic root of 516121386 is about 802.1408212038.

The spelling of 516121386 in words is "five hundred sixteen million, one hundred twenty-one thousand, three hundred eighty-six".