51516106165610 has 32 divisors (see below), whose sum is σ = 97342626009600. Its totient is φ = 19603723279680.

The previous prime is 51516106165567. The next prime is 51516106165649. The reversal of 51516106165610 is 1656160161515.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1408295165 + ... + 1408331744.

It is an arithmetic number, because the mean of its divisors is an integer number (3041957062800).

Almost surely, 2^{51516106165610} is an apocalyptic number.

51516106165610 is a deficient number, since it is larger than the sum of its proper divisors (45826519843990).

51516106165610 is a wasteful number, since it uses less digits than its factorization.

51516106165610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816627006.

The product of its (nonzero) digits is 162000, while the sum is 44.

The spelling of 51516106165610 in words is "fifty-one trillion, five hundred sixteen billion, one hundred six million, one hundred sixty-five thousand, six hundred ten".