1913164378 has 8 divisors (see below), whose sum is σ = 3020785920. Its totient is φ = 906235740.

The previous prime is 1913164369. The next prime is 1913164441. The reversal of 1913164378 is 8734613191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25173178 + ... + 25173253.

It is an arithmetic number, because the mean of its divisors is an integer number (377598240).

Almost surely, 2^1913164378 is an apocalyptic number.

1913164378 is a deficient number, since it is larger than the sum of its proper divisors (1107621542).

1913164378 is a wasteful number, since it uses less digits than its factorization.

1913164378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50346452.

The product of its digits is 108864, while the sum is 43.

The square root of 1913164378 is about 43739.7345442333. The cubic root of 1913164378 is about 1241.4162577254.

The spelling of 1913164378 in words is "one billion, nine hundred thirteen million, one hundred sixty-four thousand, three hundred seventy-eight".