1061166378 has 32 divisors (see below), whose sum is σ = 2249064000. Its totient is φ = 332850816.

The previous prime is 1061166377. The next prime is 1061166383. The reversal of 1061166378 is 8736611601.

It is a super-2 number, since 2×1061166378² = 2252148163595277768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061166373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14251 + ... + 48222.

It is an arithmetic number, because the mean of its divisors is an integer number (70283250).

Almost surely, 2^1061166378 is an apocalyptic number.

1061166378 is an abundant number, since it is smaller than the sum of its proper divisors (1187897622).

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

1061166378 is a wasteful number, since it uses less digits than its factorization.

1061166378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62646.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1061166378 is about 32575.5487751166. The cubic root of 1061166378 is about 1019.9866645700.

Adding to 1061166378 its reverse (8736611601), we get a palindrome (9797777979).

The spelling of 1061166378 in words is "one billion, sixty-one million, one hundred sixty-six thousand, three hundred seventy-eight".