1073661911 has 16 divisors (see below), whose sum is σ = 1301287680. Its totient is φ = 864769920.

The previous prime is 1073661887. The next prime is 1073661917. The reversal of 1073661911 is 1191663701.

It is not a de Polignac number, because 1073661911 - 2¹⁴ = 1073645527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073661917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71576 + ... + 85266.

It is an arithmetic number, because the mean of its divisors is an integer number (81330480).

Almost surely, 2^1073661911 is an apocalyptic number.

1073661911 is a deficient number, since it is larger than the sum of its proper divisors (227625769).

1073661911 is a wasteful number, since it uses less digits than its factorization.

1073661911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14374.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 1073661911 is about 32766.7806017009. The cubic root of 1073661911 is about 1023.9745957112.

The spelling of 1073661911 in words is "one billion, seventy-three million, six hundred sixty-one thousand, nine hundred eleven".