51670825203867 has 8 divisors (see below), whose sum is σ = 72520456426560. Its totient is φ = 32634205391880.

The previous prime is 51670825203827. The next prime is 51670825203913. The reversal of 51670825203867 is 76830252807615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51670825203867 - 2⁸ = 51670825203611 is a prime.

It is a super-2 number, since 2×51670825203867² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51670825203867.

It is not an unprimeable number, because it can be changed into a prime (51670825203827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453252852609 + ... + 453252852722.

It is an arithmetic number, because the mean of its divisors is an integer number (9065057053320).

Almost surely, 2^{51670825203867} is an apocalyptic number.

51670825203867 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

51670825203867 is a deficient number, since it is larger than the sum of its proper divisors (20849631222693).

51670825203867 is a wasteful number, since it uses less digits than its factorization.

51670825203867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906505705353.

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 51670825203867 in words is "fifty-one trillion, six hundred seventy billion, eight hundred twenty-five million, two hundred three thousand, eight hundred sixty-seven".