1066161250 has 240 divisors, whose sum is σ = 2692388160. Its totient is φ = 308880000.

The previous prime is 1066161247. The next prime is 1066161281. The reversal of 1066161250 is 521616601.

1066161250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1066161250² = 2273399622003125000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 20116224 + ... + 20116276.

It is an arithmetic number, because the mean of its divisors is an integer number (11218284).

Almost surely, 2^1066161250 is an apocalyptic number.

1066161250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066161250 is an abundant number, since it is smaller than the sum of its proper divisors (1626226910).

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

1066161250 is a wasteful number, since it uses less digits than its factorization.

1066161250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1066161250 is about 32652.1247394408. The cubic root of 1066161250 is about 1021.5845070468.

Adding to 1066161250 its reverse (521616601), we get a palindrome (1587777851).

The spelling of 1066161250 in words is "one billion, sixty-six million, one hundred sixty-one thousand, two hundred fifty".