67696199172901 has 16 divisors (see below), whose sum is σ = 75350870983024. Its totient is φ = 60412652112384.

The previous prime is 67696199172881. The next prime is 67696199172941. The reversal of 67696199172901 is 10927199169676.

It is a Cunningham number, because it is equal to 8227770²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 3881648636100 + 63814550536801 = 1970190^2 + 7988401^2 .

It is not a de Polignac number, because 67696199172901 - 2⁹ = 67696199172389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67696199172941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448142760 + ... + 448293793.

It is an arithmetic number, because the mean of its divisors is an integer number (4709429436439).

Almost surely, 2^{67696199172901} is an apocalyptic number.

It is an amenable number.

67696199172901 is a deficient number, since it is larger than the sum of its proper divisors (7654671810123).

67696199172901 is a wasteful number, since it uses less digits than its factorization.

67696199172901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896436760.

The product of its (nonzero) digits is 138883248, while the sum is 73.

The spelling of 67696199172901 in words is "sixty-seven trillion, six hundred ninety-six billion, one hundred ninety-nine million, one hundred seventy-two thousand, nine hundred one".