6164072878 has 4 divisors (see below), whose sum is σ = 9246109320. Its totient is φ = 3082036438.

The previous prime is 6164072869. The next prime is 6164072879. The reversal of 6164072878 is 8782704616.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6164072879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1541018218 + ... + 1541018221.

It is an arithmetic number, because the mean of its divisors is an integer number (2311527330).

Almost surely, 2^6164072878 is an apocalyptic number.

6164072878 is a deficient number, since it is larger than the sum of its proper divisors (3082036442).

6164072878 is a wasteful number, since it uses less digits than its factorization.

6164072878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082036441.

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 6164072878 is about 78511.6098293749. The cubic root of 6164072878 is about 1833.5352126855.

The spelling of 6164072878 in words is "six billion, one hundred sixty-four million, seventy-two thousand, eight hundred seventy-eight".