1066142613 has 4 divisors (see below), whose sum is σ = 1421523488. Its totient is φ = 710761740.

The previous prime is 1066142599. The next prime is 1066142633. The reversal of 1066142613 is 3162416601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1066142613 - 2¹⁰ = 1066141589 is a prime.

It is a super-2 number, since 2×1066142613² = 2273320142508935538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066142633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177690433 + ... + 177690438.

It is an arithmetic number, because the mean of its divisors is an integer number (355380872).

Almost surely, 2^1066142613 is an apocalyptic number.

It is an amenable number.

1066142613 is a deficient number, since it is larger than the sum of its proper divisors (355380875).

1066142613 is an equidigital number, since it uses as much as digits as its factorization.

1066142613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355380874.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1066142613 is about 32651.8393509462. The cubic root of 1066142613 is about 1021.5785544195.

The spelling of 1066142613 in words is "one billion, sixty-six million, one hundred forty-two thousand, six hundred thirteen".