881958609066 has 32 divisors (see below), whose sum is σ = 1774434182400. Its totient is φ = 292233991104.

The previous prime is 881958609053. The next prime is 881958609101. The reversal of 881958609066 is 660906859188.

It is a junction number, because it is equal to n+sod(n) for n = 881958608988 and 881958609006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5887260 + ... + 6035208.

It is an arithmetic number, because the mean of its divisors is an integer number (55451068200).

Almost surely, 2^881958609066 is an apocalyptic number.

881958609066 is an abundant number, since it is smaller than the sum of its proper divisors (892475573334).

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

881958609066 is a wasteful number, since it uses less digits than its factorization.

881958609066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153870.

The product of its (nonzero) digits is 44789760, while the sum is 66.

The spelling of 881958609066 in words is "eight hundred eighty-one billion, nine hundred fifty-eight million, six hundred nine thousand, sixty-six".