4156605516 has 72 divisors (see below), whose sum is σ = 11322534720. Its totient is φ = 1183357728.

The previous prime is 4156605499. The next prime is 4156605527. The reversal of 4156605516 is 6155066514.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153915 + ... + 178893.

Almost surely, 2^4156605516 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 4156605516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5661267360).

4156605516 is an abundant number, since it is smaller than the sum of its proper divisors (7165929204).

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

4156605516 is a wasteful number, since it uses less digits than its factorization.

4156605516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25283 (or 25274 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 4156605516 is about 64471.7419960094. The cubic root of 4156605516 is about 1607.8527392308.

The spelling of 4156605516 in words is "four billion, one hundred fifty-six million, six hundred five thousand, five hundred sixteen".