201669700047 has 8 divisors (see below), whose sum is σ = 269516816640. Its totient is φ = 134134525080.

The previous prime is 201669700039. The next prime is 201669700087. The reversal of 201669700047 is 740007966102.

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

It is not a de Polignac number, because 201669700047 - 2³ = 201669700039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201669699981 and 201669700008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201669700087) 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, 77983897 + ... + 77986482.

It is an arithmetic number, because the mean of its divisors is an integer number (33689602080).

Almost surely, 2^201669700047 is an apocalyptic number.

201669700047 is a deficient number, since it is larger than the sum of its proper divisors (67847116593).

201669700047 is a wasteful number, since it uses less digits than its factorization.

201669700047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155970813.

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 201669700047 in words is "two hundred one billion, six hundred sixty-nine million, seven hundred thousand, forty-seven".