1066770140 has 24 divisors (see below), whose sum is σ = 2312483712. Its totient is φ = 412943040.

The previous prime is 1066770113. The next prime is 1066770149. The reversal of 1066770140 is 410776601.

It is a happy number.

It is a super-2 number, since 2×1066770140² = 2275997063191239200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066770097 and 1066770106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066770149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859679 + ... + 860918.

It is an arithmetic number, because the mean of its divisors is an integer number (96353488).

Almost surely, 2^1066770140 is an apocalyptic number.

1066770140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066770140 is an abundant number, since it is smaller than the sum of its proper divisors (1245713572).

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

1066770140 is a wasteful number, since it uses less digits than its factorization.

1066770140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720637 (or 1720635 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 1066770140 is about 32661.4473041229. The cubic root of 1066770140 is about 1021.7789473695.

The spelling of 1066770140 in words is "one billion, sixty-six million, seven hundred seventy thousand, one hundred forty".