1015478180166 has 64 divisors (see below), whose sum is σ = 2162985080256. Its totient is φ = 316721664000.

The previous prime is 1015478180147. The next prime is 1015478180173. The reversal of 1015478180166 is 6610818745101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77552316 + ... + 77565408.

It is an arithmetic number, because the mean of its divisors is an integer number (33796641879).

Almost surely, 2^{1015478180166} is an apocalyptic number.

1015478180166 is an abundant number, since it is smaller than the sum of its proper divisors (1147506900090).

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

1015478180166 is a wasteful number, since it uses less digits than its factorization.

1015478180166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17497.

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 1015478180166 in words is "one trillion, fifteen billion, four hundred seventy-eight million, one hundred eighty thousand, one hundred sixty-six".