201181971602670 has 16 divisors (see below), whose sum is σ = 482836731846480. Its totient is φ = 53648525760704.

The previous prime is 201181971602669. The next prime is 201181971602753. The reversal of 201181971602670 is 76206179181102.

It is a super-2 number, since 2×201181971602670² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 3353032860015 + ... + 3353032860074.

It is an arithmetic number, because the mean of its divisors is an integer number (30177295740405).

Almost surely, 2^{201181971602670} is an apocalyptic number.

201181971602670 is an abundant number, since it is smaller than the sum of its proper divisors (281654760243810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201181971602670 is a wasteful number, since it uses less digits than its factorization.

201181971602670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706065720099.

The product of its (nonzero) digits is 508032, while the sum is 51.

The spelling of 201181971602670 in words is "two hundred one trillion, one hundred eighty-one billion, nine hundred seventy-one million, six hundred two thousand, six hundred seventy".