1914561116 has 72 divisors (see below), whose sum is σ = 3785693184. Its totient is φ = 845881920.

The previous prime is 1914561091. The next prime is 1914561137. The reversal of 1914561116 is 6111654191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2158025 + ... + 2158911.

It is an arithmetic number, because the mean of its divisors is an integer number (52579072).

Almost surely, 2^1914561116 is an apocalyptic number.

It is an amenable number.

1914561116 is a deficient number, since it is larger than the sum of its proper divisors (1871132068).

1914561116 is a wasteful number, since it uses less digits than its factorization.

1914561116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1036 counting only the distinct ones).

The product of its digits is 6480, while the sum is 35.

The square root of 1914561116 is about 43755.6980975050. The cubic root of 1914561116 is about 1241.7182898786.

The spelling of 1914561116 in words is "one billion, nine hundred fourteen million, five hundred sixty-one thousand, one hundred sixteen".