47165355666121 has 32 divisors (see below), whose sum is σ = 59178345424128. Its totient is φ = 36518235095040.

The previous prime is 47165355666113. The next prime is 47165355666133. The reversal of 47165355666121 is 12166655356174.

It is a cyclic number.

It is not a de Polignac number, because 47165355666121 - 2³ = 47165355666113 is a prime.

It is a super-2 number, since 2×47165355666121² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47165355666151) 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, 21562521 + ... + 23648953.

It is an arithmetic number, because the mean of its divisors is an integer number (1849323294504).

Almost surely, 2^{47165355666121} is an apocalyptic number.

It is an amenable number.

47165355666121 is a deficient number, since it is larger than the sum of its proper divisors (12012989758007).

47165355666121 is a wasteful number, since it uses less digits than its factorization.

47165355666121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088321.

The product of its digits is 27216000, while the sum is 58.

The spelling of 47165355666121 in words is "forty-seven trillion, one hundred sixty-five billion, three hundred fifty-five million, six hundred sixty-six thousand, one hundred twenty-one".