47738041515666 has 48 divisors (see below), whose sum is σ = 106770229862400. Its totient is φ = 15399184078080.

The previous prime is 47738041515643. The next prime is 47738041515667. The reversal of 47738041515666 is 66651514083774.

It is a super-4 number, since 4×47738041515666⁴ (a number of 56 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (47738041515667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50799535 + ... + 51730733.

It is an arithmetic number, because the mean of its divisors is an integer number (2224379788800).

Almost surely, 2^{47738041515666} is an apocalyptic number.

47738041515666 is an abundant number, since it is smaller than the sum of its proper divisors (59032188346734).

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

47738041515666 is a wasteful number, since it uses less digits than its factorization.

47738041515666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023111 (or 1023108 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 63.

The spelling of 47738041515666 in words is "forty-seven trillion, seven hundred thirty-eight billion, forty-one million, five hundred fifteen thousand, six hundred sixty-six".