1010601166509 has 24 divisors (see below), whose sum is σ = 1593164632800. Its totient is φ = 612215483040.

The previous prime is 1010601166489. The next prime is 1010601166541. The reversal of 1010601166509 is 9056611060101.

1010601166509 is a `hidden beast` number, since 10 + 10 + 60 + 11 + 66 + 509 = 666.

It is not a de Polignac number, because 1010601166509 - 2¹⁵ = 1010601133741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010601166609) 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 23 ways as a sum of consecutive naturals, for example, 2024839 + ... + 2474100.

It is an arithmetic number, because the mean of its divisors is an integer number (66381859700).

Almost surely, 2^{1010601166509} is an apocalyptic number.

It is an amenable number.

1010601166509 is a deficient number, since it is larger than the sum of its proper divisors (582563466291).

1010601166509 is a wasteful number, since it uses less digits than its factorization.

1010601166509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501225 (or 4501222 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The spelling of 1010601166509 in words is "one trillion, ten billion, six hundred one million, one hundred sixty-six thousand, five hundred nine".