6155157756 has 192 divisors, whose sum is σ = 16700608512. Its totient is φ = 1747200000.

The previous prime is 6155157691. The next prime is 6155157763. The reversal of 6155157756 is 6577515516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21904336 + ... + 21904616.

It is an arithmetic number, because the mean of its divisors is an integer number (86982336).

Almost surely, 2^6155157756 is an apocalyptic number.

6155157756 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6155157756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8350304256).

6155157756 is an abundant number, since it is smaller than the sum of its proper divisors (10545450756).

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

6155157756 is a wasteful number, since it uses less digits than its factorization.

6155157756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 482 counting only the distinct ones).

The product of its digits is 1102500, while the sum is 48.

The square root of 6155157756 is about 78454.8134660965. The cubic root of 6155157756 is about 1832.6508365436.

The spelling of 6155157756 in words is "six billion, one hundred fifty-five million, one hundred fifty-seven thousand, seven hundred fifty-six".