166827794376 has 16 divisors (see below), whose sum is σ = 417069486000. Its totient is φ = 55609264784.

The previous prime is 166827794347. The next prime is 166827794387. The reversal of 166827794376 is 673497728661.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3475579026 + ... + 3475579073.

It is an arithmetic number, because the mean of its divisors is an integer number (26066842875).

Almost surely, 2^166827794376 is an apocalyptic number.

It is an amenable number.

166827794376 is an abundant number, since it is smaller than the sum of its proper divisors (250241691624).

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

166827794376 is a wasteful number, since it uses less digits than its factorization.

166827794376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6951158108 (or 6951158104 counting only the distinct ones).

The product of its digits is 128024064, while the sum is 66.

The spelling of 166827794376 in words is "one hundred sixty-six billion, eight hundred twenty-seven million, seven hundred ninety-four thousand, three hundred seventy-six".