6169451904 has 384 divisors, whose sum is σ = 22325172480. Its totient is φ = 1588654080.

The previous prime is 6169451881. The next prime is 6169451921. The reversal of 6169451904 is 4091549616.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a self number, because there is not a number n which added to its sum of digits gives 6169451904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13926307 + ... + 13926749.

It is an arithmetic number, because the mean of its divisors is an integer number (58138470).

Almost surely, 2^6169451904 is an apocalyptic number.

6169451904 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 6169451904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11162586240).

6169451904 is an abundant number, since it is smaller than the sum of its proper divisors (16155720576).

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

6169451904 is a wasteful number, since it uses less digits than its factorization.

6169451904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 6169451904 is about 78545.8586050213. The cubic root of 6169451904 is about 1834.0683972816.

The spelling of 6169451904 in words is "six billion, one hundred sixty-nine million, four hundred fifty-one thousand, nine hundred four".