6154400616 has 128 divisors (see below), whose sum is σ = 18960721920. Its totient is φ = 1621073664.

The previous prime is 6154400597. The next prime is 6154400627. The reversal of 6154400616 is 6160044516.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2538781 + ... + 2541203.

It is an arithmetic number, because the mean of its divisors is an integer number (148130640).

Almost surely, 2^6154400616 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 6154400616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9480360960).

6154400616 is an abundant number, since it is smaller than the sum of its proper divisors (12806321304).

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

6154400616 is a wasteful number, since it uses less digits than its factorization.

6154400616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615 (or 3611 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 6154400616 is about 78449.9879923509. The cubic root of 6154400616 is about 1832.5756892602.

The spelling of 6154400616 in words is "six billion, one hundred fifty-four million, four hundred thousand, six hundred sixteen".