1016773636 has 12 divisors (see below), whose sum is σ = 1781083612. Its totient is φ = 507892608.

The previous prime is 1016773613. The next prime is 1016773649. The reversal of 1016773636 is 6363776101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 750431236 + 266342400 = 27394^2 + 16320^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118905 + ... + 127168.

Almost surely, 2^1016773636 is an apocalyptic number.

It is an amenable number.

1016773636 is a deficient number, since it is larger than the sum of its proper divisors (764309976).

1016773636 is a wasteful number, since it uses less digits than its factorization.

1016773636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247110 (or 247108 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 1016773636 is about 31886.8881517153. Note that the first 3 decimals coincide. The cubic root of 1016773636 is about 1005.5602384478.

The spelling of 1016773636 in words is "one billion, sixteen million, seven hundred seventy-three thousand, six hundred thirty-six".