1011641366 has 4 divisors (see below), whose sum is σ = 1517462052. Its totient is φ = 505820682.

The previous prime is 1011641363. The next prime is 1011641381. The reversal of 1011641366 is 6631461101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6631461101 = 10909 ⋅607889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011641363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252910340 + ... + 252910343.

It is an arithmetic number, because the mean of its divisors is an integer number (379365513).

Almost surely, 2^1011641366 is an apocalyptic number.

1011641366 is a deficient number, since it is larger than the sum of its proper divisors (505820686).

1011641366 is an equidigital number, since it uses as much as digits as its factorization.

1011641366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505820685.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1011641366 is about 31806.3101600924. The cubic root of 1011641366 is about 1003.8654940364.

The spelling of 1011641366 in words is "one billion, eleven million, six hundred forty-one thousand, three hundred sixty-six".