1055510661166 has 96 divisors (see below), whose sum is σ = 1775941390080. Its totient is φ = 469983451392.

The previous prime is 1055510661119. The next prime is 1055510661173. The reversal of 1055510661166 is 6611660155501.

It is a super-2 number, since 2×1055510661166² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 818859450 + ... + 818860738.

It is an arithmetic number, because the mean of its divisors is an integer number (18499389480).

Almost surely, 2^{1055510661166} is an apocalyptic number.

1055510661166 is a deficient number, since it is larger than the sum of its proper divisors (720430728914).

1055510661166 is a wasteful number, since it uses less digits than its factorization.

1055510661166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010 (or 1997 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 1055510661166 in words is "one trillion, fifty-five billion, five hundred ten million, six hundred sixty-one thousand, one hundred sixty-six".