6155897435904 has 144 divisors (see below), whose sum is σ = 16997483099520. Its totient is φ = 1975496355840.

The previous prime is 6155897435881. The next prime is 6155897435959. The reversal of 6155897435904 is 4095347985516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7330119 + ... + 8126649.

It is an arithmetic number, because the mean of its divisors is an integer number (118038077080).

Almost surely, 2^{6155897435904} is an apocalyptic number.

6155897435904 is a gapful number since it is divisible by the number (64) 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 6155897435904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8498741549760).

6155897435904 is an abundant number, since it is smaller than the sum of its proper divisors (10841585663616).

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

6155897435904 is a wasteful number, since it uses less digits than its factorization.

6155897435904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796926 (or 796912 counting only the distinct ones).

The product of its (nonzero) digits is 163296000, while the sum is 66.

The spelling of 6155897435904 in words is "six trillion, one hundred fifty-five billion, eight hundred ninety-seven million, four hundred thirty-five thousand, nine hundred four".