147721699996117 has 32 divisors (see below), whose sum is σ = 165153310515200. Its totient is φ = 131208076359360.

The previous prime is 147721699996099. The next prime is 147721699996147. The reversal of 147721699996117 is 711699996127741.

It is a de Polignac number, because none of the positive numbers 2^k-147721699996117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147721699996147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118311118 + ... + 119553184.

It is an arithmetic number, because the mean of its divisors is an integer number (5161040953600).

Almost surely, 2^{147721699996117} is an apocalyptic number.

It is an amenable number.

147721699996117 is a deficient number, since it is larger than the sum of its proper divisors (17431610519083).

147721699996117 is a wasteful number, since it uses less digits than its factorization.

147721699996117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243793.

The product of its digits is 648121824, while the sum is 79.

The spelling of 147721699996117 in words is "one hundred forty-seven trillion, seven hundred twenty-one billion, six hundred ninety-nine million, nine hundred ninety-six thousand, one hundred seventeen".