51670825203866 has 16 divisors (see below), whose sum is σ = 84615976321920. Its totient is φ = 23469039590880.

The previous prime is 51670825203827. The next prime is 51670825203913. The reversal of 51670825203866 is 66830252807615.

It is a super-2 number, since 2×51670825203866² (a number of 28 digits) contains 22 as substring.

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, 884927051 + ... + 884985438.

It is an arithmetic number, because the mean of its divisors is an integer number (5288498520120).

Almost surely, 2^{51670825203866} is an apocalyptic number.

51670825203866 is a deficient number, since it is larger than the sum of its proper divisors (32945151118054).

51670825203866 is a wasteful number, since it uses less digits than its factorization.

51670825203866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769913829.

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 51670825203866 in words is "fifty-one trillion, six hundred seventy billion, eight hundred twenty-five million, two hundred three thousand, eight hundred sixty-six".