3551541174678 has 64 divisors (see below), whose sum is σ = 8251708059648. Its totient is φ = 998035426080.

The previous prime is 3551541174677. The next prime is 3551541174697. The reversal of 3551541174678 is 8764711451553.

3551541174678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3551541174678² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551541174673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 845313 + ... + 2796003.

It is an arithmetic number, because the mean of its divisors is an integer number (128932938432).

Almost surely, 2^{3551541174678} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3551541174678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4125854029824).

3551541174678 is an abundant number, since it is smaller than the sum of its proper divisors (4700166884970).

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

3551541174678 is a wasteful number, since it uses less digits than its factorization.

3551541174678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951417.

The product of its digits is 14112000, while the sum is 57.

The spelling of 3551541174678 in words is "three trillion, five hundred fifty-one billion, five hundred forty-one million, one hundred seventy-four thousand, six hundred seventy-eight".