154886880864 has 96 divisors (see below), whose sum is σ = 430909567200. Its totient is φ = 48545103872.

The previous prime is 154886880851. The next prime is 154886880871. The reversal of 154886880864 is 468088688451.

154886880864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 154886880795 and 154886880804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1666732 + ... + 1757204.

It is an arithmetic number, because the mean of its divisors is an integer number (4488641325).

Almost surely, 2^154886880864 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 154886880864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215454783600).

154886880864 is an abundant number, since it is smaller than the sum of its proper divisors (276022686336).

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

154886880864 is a wasteful number, since it uses less digits than its factorization.

154886880864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91552 (or 91544 counting only the distinct ones).

The product of its (nonzero) digits is 94371840, while the sum is 66.

The spelling of 154886880864 in words is "one hundred fifty-four billion, eight hundred eighty-six million, eight hundred eighty thousand, eight hundred sixty-four".