6157091856 has 80 divisors (see below), whose sum is σ = 16408126400. Its totient is φ = 1988043264.

The previous prime is 6157091849. The next prime is 6157091903. The reversal of 6157091856 is 6581907516.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399135 + ... + 414273.

It is an arithmetic number, because the mean of its divisors is an integer number (205101580).

Almost surely, 2^6157091856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6157091856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8204063200).

6157091856 is an abundant number, since it is smaller than the sum of its proper divisors (10251034544).

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

6157091856 is a wasteful number, since it uses less digits than its factorization.

6157091856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15416 (or 15410 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 6157091856 is about 78467.1387014972. The cubic root of 6157091856 is about 1832.8427709034.

The spelling of 6157091856 in words is "six billion, one hundred fifty-seven million, ninety-one thousand, eight hundred fifty-six".