37881755066 has 24 divisors (see below), whose sum is σ = 59222723616. Its totient is φ = 18169305840.

The previous prime is 37881755063. The next prime is 37881755071. The reversal of 37881755066 is 66055718873.

It is not an unprimeable number, because it can be changed into a prime (37881755063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96965 + ... + 291831.

It is an arithmetic number, because the mean of its divisors is an integer number (2467613484).

Almost surely, 2^37881755066 is an apocalyptic number.

37881755066 is a deficient number, since it is larger than the sum of its proper divisors (21340968550).

37881755066 is a wasteful number, since it uses less digits than its factorization.

37881755066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195014 (or 194977 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 37881755066 in words is "thirty-seven billion, eight hundred eighty-one million, seven hundred fifty-five thousand, sixty-six".