1011656166156 has 36 divisors (see below), whose sum is σ = 2639733655104. Its totient is φ = 326340698400.

The previous prime is 1011656166139. The next prime is 1011656166173. The reversal of 1011656166156 is 6516616561101.

1011656166156 is a `hidden beast` number, since 1 + 0 + 1 + 16 + 5 + 6 + 16 + 615 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1011656166139) and next prime (1011656166173).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453249855 + ... + 453252086.

It is an arithmetic number, because the mean of its divisors is an integer number (73325934864).

Almost surely, 2^{1011656166156} is an apocalyptic number.

It is an amenable number.

1011656166156 is an abundant number, since it is smaller than the sum of its proper divisors (1628077488948).

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

1011656166156 is a wasteful number, since it uses less digits than its factorization.

1011656166156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906501982 (or 906501977 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 1011656166156 in words is "one trillion, eleven billion, six hundred fifty-six million, one hundred sixty-six thousand, one hundred fifty-six".