1164206378 has 8 divisors (see below), whose sum is σ = 1746467460. Its totient is φ = 582050560.

The previous prime is 1164206377. The next prime is 1164206401. The reversal of 1164206378 is 8736024611.

It can be written as a sum of positive squares in 2 ways, for example, as 998749609 + 165456769 = 31603^2 + 12863^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1164206371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13208 + ... + 50028.

Almost surely, 2^1164206378 is an apocalyptic number.

1164206378 is a deficient number, since it is larger than the sum of its proper divisors (582261082).

1164206378 is a wasteful number, since it uses less digits than its factorization.

1164206378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52632.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1164206378 is about 34120.4686075675. The cubic root of 1164206378 is about 1051.9860755866.

The spelling of 1164206378 in words is "one billion, one hundred sixty-four million, two hundred six thousand, three hundred seventy-eight".