1066511175772 has 24 divisors (see below), whose sum is σ = 2258494255584. Its totient is φ = 430189381632.

The previous prime is 1066511175749. The next prime is 1066511175799. The reversal of 1066511175772 is 2775711156601.

It is a super-2 number, since 2×1066511175772² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 1120284373 + ... + 1120285324.

It is an arithmetic number, because the mean of its divisors is an integer number (94103927316).

Almost surely, 2^{1066511175772} is an apocalyptic number.

It is an amenable number.

1066511175772 is an abundant number, since it is smaller than the sum of its proper divisors (1191983079812).

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

1066511175772 is a wasteful number, since it uses less digits than its factorization.

1066511175772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240569725 (or 2240569723 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 49.

The spelling of 1066511175772 in words is "one trillion, sixty-six billion, five hundred eleven million, one hundred seventy-five thousand, seven hundred seventy-two".