1061694894 has 16 divisors (see below), whose sum is σ = 2286727632. Its totient is φ = 326675328.

The previous prime is 1061694889. The next prime is 1061694937. The reversal of 1061694894 is 4984961601.

It is a super-2 number, since 2×1061694894² = 2254392095891342472, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6805659 + ... + 6805814.

It is an arithmetic number, because the mean of its divisors is an integer number (142920477).

Almost surely, 2^1061694894 is an apocalyptic number.

1061694894 is an abundant number, since it is smaller than the sum of its proper divisors (1225032738).

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

1061694894 is a wasteful number, since it uses less digits than its factorization.

1061694894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13611491.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 1061694894 is about 32583.6599233419. The cubic root of 1061694894 is about 1020.1559719194.

The spelling of 1061694894 in words is "one billion, sixty-one million, six hundred ninety-four thousand, eight hundred ninety-four".