68357001669 has 8 divisors (see below), whose sum is σ = 99428366112. Its totient is φ = 41428485840.

The previous prime is 68357001637. The next prime is 68357001703. The reversal of 68357001669 is 96610075386.

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

It is not a de Polignac number, because 68357001669 - 2⁵ = 68357001637 is a prime.

It is a super-2 number, since 2×68357001669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68357001469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035712114 + ... + 1035712179.

It is an arithmetic number, because the mean of its divisors is an integer number (12428545764).

Almost surely, 2^68357001669 is an apocalyptic number.

It is an amenable number.

68357001669 is a deficient number, since it is larger than the sum of its proper divisors (31071364443).

68357001669 is a wasteful number, since it uses less digits than its factorization.

68357001669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071424307.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 68357001669 in words is "sixty-eight billion, three hundred fifty-seven million, one thousand, six hundred sixty-nine".