1036666772 has 6 divisors (see below), whose sum is σ = 1814166858. Its totient is φ = 518333384.

The previous prime is 1036666769. The next prime is 1036666789. The reversal of 1036666772 is 2776666301.

It can be written as a sum of positive squares in only one way, i.e., 694638736 + 342028036 = 26356^2 + 18494^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129583343 + ... + 129583350.

It is an arithmetic number, because the mean of its divisors is an integer number (302361143).

Almost surely, 2^1036666772 is an apocalyptic number.

It is an amenable number.

1036666772 is a deficient number, since it is larger than the sum of its proper divisors (777500086).

1036666772 is a wasteful number, since it uses less digits than its factorization.

1036666772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259166697 (or 259166695 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 1036666772 is about 32197.3100118628. The cubic root of 1036666772 is about 1012.0758443264.

The spelling of 1036666772 in words is "one billion, thirty-six million, six hundred sixty-six thousand, seven hundred seventy-two".