6156774380 has 24 divisors (see below), whose sum is σ = 12931682400. Its totient is φ = 2462241920.

The previous prime is 6156774373. The next prime is 6156774391. The reversal of 6156774380 is 834776516.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90665 + ... + 143295.

It is an arithmetic number, because the mean of its divisors is an integer number (538820100).

Almost surely, 2^6156774380 is an apocalyptic number.

It is an amenable number.

6156774380 is an abundant number, since it is smaller than the sum of its proper divisors (6774908020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6156774380 is a wasteful number, since it uses less digits than its factorization.

6156774380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58489 (or 58487 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 6156774380 is about 78465.1156884383. The cubic root of 6156774380 is about 1832.8112682824.

The spelling of 6156774380 in words is "six billion, one hundred fifty-six million, seven hundred seventy-four thousand, three hundred eighty".