1061922918 has 64 divisors (see below), whose sum is σ = 2652991488. Its totient is φ = 276341760.

The previous prime is 1061922907. The next prime is 1061922971. The reversal of 1061922918 is 8192291601.

It is a super-2 number, since 2×1061922918² = 2255360567547269448, 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 31 ways as a sum of consecutive naturals, for example, 1855 + ... + 46122.

It is an arithmetic number, because the mean of its divisors is an integer number (41452992).

Almost surely, 2^1061922918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061922918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326495744).

1061922918 is an abundant number, since it is smaller than the sum of its proper divisors (1591068570).

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

1061922918 is a wasteful number, since it uses less digits than its factorization.

1061922918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48037.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 1061922918 is about 32587.1587899283. The cubic root of 1061922918 is about 1020.2290008706.

The spelling of 1061922918 in words is "one billion, sixty-one million, nine hundred twenty-two thousand, nine hundred eighteen".