1013671066 has 4 divisors (see below), whose sum is σ = 1520506602. Its totient is φ = 506835532.

The previous prime is 1013671051. The next prime is 1013671067. The reversal of 1013671066 is 6601763101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6601763101 = 14969 ⋅441029.

It can be written as a sum of positive squares in only one way, i.e., 559086025 + 454585041 = 23645^2 + 21321^2 .

It is not an unprimeable number, because it can be changed into a prime (1013671067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253417765 + ... + 253417768.

Almost surely, 2^1013671066 is an apocalyptic number.

1013671066 is a deficient number, since it is larger than the sum of its proper divisors (506835536).

1013671066 is an equidigital number, since it uses as much as digits as its factorization.

1013671066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506835535.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1013671066 is about 31838.2013625142. The cubic root of 1013671066 is about 1004.5364118492.

The spelling of 1013671066 in words is "one billion, thirteen million, six hundred seventy-one thousand, sixty-six".