1011806064 has 60 divisors (see below), whose sum is σ = 2954776656. Its totient is φ = 322603776.

The previous prime is 1011806021. The next prime is 1011806099. The reversal of 1011806064 is 4606081101.

It is a super-2 number, since 2×1011806064² = 2047503022294344192, which 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 11 ways as a sum of consecutive naturals, for example, 149437 + ... + 156060.

Almost surely, 2^1011806064 is an apocalyptic number.

It is an amenable number.

1011806064 is an abundant number, since it is smaller than the sum of its proper divisors (1942970592).

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

1011806064 is a wasteful number, since it uses less digits than its factorization.

1011806064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305534 (or 305525 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1011806064 is about 31808.8991321611. The cubic root of 1011806064 is about 1003.9199684359.

Adding to 1011806064 its reverse (4606081101), we get a palindrome (5617887165).

The spelling of 1011806064 in words is "one billion, eleven million, eight hundred six thousand, sixty-four".