1066377131 has 8 divisors (see below), whose sum is σ = 1071882240. Its totient is φ = 1060881192.

The previous prime is 1066377107. The next prime is 1066377197. The reversal of 1066377131 is 1317736601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1066377131 - 2¹⁰ = 1066376107 is a prime.

It is a super-2 number, since 2×1066377131² = 2274320371039582322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1066377091 and 1066377100.

It is not an unprimeable number, because it can be changed into a prime (1066377101) 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, 396116 + ... + 398798.

It is an arithmetic number, because the mean of its divisors is an integer number (133985280).

Almost surely, 2^1066377131 is an apocalyptic number.

1066377131 is a deficient number, since it is larger than the sum of its proper divisors (5505109).

1066377131 is a wasteful number, since it uses less digits than its factorization.

1066377131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 1066377131 is about 32655.4303447375. The cubic root of 1066377131 is about 1021.6534540287.

The spelling of 1066377131 in words is "one billion, sixty-six million, three hundred seventy-seven thousand, one hundred thirty-one".