1011666161522 has 16 divisors (see below), whose sum is σ = 1543578265152. Its totient is φ = 497201945520.

The previous prime is 1011666161491. The next prime is 1011666161551. The reversal of 1011666161522 is 2251616661101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15435254 + ... + 15500657.

It is an arithmetic number, because the mean of its divisors is an integer number (96473641572).

Almost surely, 2^{1011666161522} is an apocalyptic number.

1011666161522 is a deficient number, since it is larger than the sum of its proper divisors (531912103630).

1011666161522 is a wasteful number, since it uses less digits than its factorization.

1011666161522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30936193.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 1011666161522 in words is "one trillion, eleven billion, six hundred sixty-six million, one hundred sixty-one thousand, five hundred twenty-two".