4131655554 has 144 divisors (see below), whose sum is σ = 9934598592. Its totient is φ = 1142608896.

The previous prime is 4131655553. The next prime is 4131655601. The reversal of 4131655554 is 4555561314.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (4131655553) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6739752 + ... + 6740364.

It is an arithmetic number, because the mean of its divisors is an integer number (68990268).

Almost surely, 2^4131655554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4131655554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4967299296).

4131655554 is an abundant number, since it is smaller than the sum of its proper divisors (5802943038).

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

4131655554 is a wasteful number, since it uses less digits than its factorization.

4131655554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 671 counting only the distinct ones).

The product of its digits is 180000, while the sum is 39.

The square root of 4131655554 is about 64277.9554279692. The cubic root of 4131655554 is about 1604.6292436577.

The spelling of 4131655554 in words is "four billion, one hundred thirty-one million, six hundred fifty-five thousand, five hundred fifty-four".