516149956 has 24 divisors (see below), whose sum is σ = 1040187456. Its totient is φ = 219516960.

The previous prime is 516149939. The next prime is 516149983. The reversal of 516149956 is 659941615.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66691 + ... + 74026.

It is an arithmetic number, because the mean of its divisors is an integer number (43341144).

Almost surely, 2^516149956 is an apocalyptic number.

It is an amenable number.

516149956 is an abundant number, since it is smaller than the sum of its proper divisors (524037500).

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

516149956 is a wasteful number, since it uses less digits than its factorization.

516149956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140859 (or 140857 counting only the distinct ones).

The product of its digits is 291600, while the sum is 46.

The square root of 516149956 is about 22718.9338658309. The cubic root of 516149956 is about 802.1556218179.

The spelling of 516149956 in words is "five hundred sixteen million, one hundred forty-nine thousand, nine hundred fifty-six".