1015478180168 has 8 divisors (see below), whose sum is σ = 1904021587830. Its totient is φ = 507739090080.

The previous prime is 1015478180147. The next prime is 1015478180173. The reversal of 1015478180168 is 8610818745101.

It can be written as a sum of positive squares in only one way, i.e., 724333762084 + 291144418084 = 851078^2 + 539578^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63467386253 + ... + 63467386268.

Almost surely, 2^{1015478180168} is an apocalyptic number.

It is an amenable number.

1015478180168 is a deficient number, since it is larger than the sum of its proper divisors (888543407662).

1015478180168 is a wasteful number, since it uses less digits than its factorization.

1015478180168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126934772527 (or 126934772523 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 50.

The spelling of 1015478180168 in words is "one trillion, fifteen billion, four hundred seventy-eight million, one hundred eighty thousand, one hundred sixty-eight".