1156161066654 has 32 divisors (see below), whose sum is σ = 2539463011200. Its totient is φ = 348000480800.

The previous prime is 1156161066611. The next prime is 1156161066659. The reversal of 1156161066654 is 4566601616511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156161066659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58774032 + ... + 58793699.

It is an arithmetic number, because the mean of its divisors is an integer number (79358219100).

Almost surely, 2^{1156161066654} is an apocalyptic number.

1156161066654 is an abundant number, since it is smaller than the sum of its proper divisors (1383301944546).

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

1156161066654 is a wasteful number, since it uses less digits than its factorization.

1156161066654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117567896.

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 1156161066654 in words is "one trillion, one hundred fifty-six billion, one hundred sixty-one million, sixty-six thousand, six hundred fifty-four".